The Continental Rationalists
    Renι Descartes
       The Philosophical Writings of Descartes (vol. 2)
              Introductory material
  

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Contents

PAST MASTERS Preface

      General Introduction
      Chronological table of Descartes' life and works

Meditations on First Philosophy
      Translator's preface
      Dedicatory letter to the Sorbonne
      Preface to the reader
      Synopsis of the following six Meditations
      First Meditation: What can be called into doubt
      Second Meditation: The nature of the human mind, and how it is better known than the body
      Third Meditation: The existence of God
      Fourth Meditation: Truth and falsity
      Fifth Meditation: The essence of material things, and the existence of God considered a second time
      Sixth Meditation: The existence of material things, and the real distinction between mind and body

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Objections and Replies
      Translator's preface
      First Set of Objections
      Author's Replies to the First Set of Objections
      Second Set of Objections
      Author's Replies to the Second Set of Objections
      Third Set of Objections with the Author's Replies
      Fourth Set of Objections
      Author's Replies to the Fourth Set of Objections
      Fifth Set of Objections
      Author's Replies to the Fifth Set of Objections
      Appendix to the Fifth Set of Objections and Replies
      Sixth Set of Objections
      Author's Replies to the Sixth Set of Objections
      Seventh Set of Objections with the Author's Replies

      Letter to Father Dinet

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The Search for Truth
      Translators' preface
      The Search for Truth by means of the Natural Light

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      The first folio of the database contains all abbreviations for the works which comprise volume 2 of the John Cottingham, Robert Stoothoff, and Dugald Murdoch translation The Philosophical Writings of Descartes ((c) 1984, Cambridge University Press). Two page numbers identify each folio of the translation. The first--abbreviated ap.--refers to the page number in Adam and Tannery. The second--abbreviated p.--refers to the page number in Cottingham-Stoothoff-Murdoch.

Meditations on First Philosophy
Translator's Preface
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Meditations on First Philosophy

Translator's preface

Descartes' most celebrated philosophical work was written in Latin during the period 1638-40, when the philosopher was living, for the most part, at Santpoort. This 'corner of north Holland', he wrote to Mersenne on 17 May 1638, was much more suitable for his work than the 'air of Paris' with its 'vast number of inevitable distractions'. The work was completed by April 1640, and was first published in Paris in 1641 by Michel Soly under the title Meditationes de Prima Philosophiae (Meditations on First Philosophy); the subtitle adds 'in which are demonstrated the existence of God and the immortality of the soul'. In earlier correspondence Descartes had referred to his work as the Metaphysics, but he eventually decided that 'the most suitable title is Meditations on First Philosophy, because the discussion is not confined to God and the soul but treats in general of all the first things to be discovered by philosophizing' (letter to Mersenne, 11 November 1640).
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      Descartes was not entirely satisfied with Soly as a publisher, and he arranged for a second edition of the Meditations to be brought out in Holland, by the house of Elzevir of Amsterdam. This second edition appeared in 1642, with a new and more appropriate subtitle, viz. 'in which are demonstrated the existence of God and the distinction between the human soul and the body'. The second edition contains a number of minor corrections to the text
†1 (though in practice the sense is seldom affected), and except where indicated it is this edition that is followed in the present translation.
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      A French translation of the Meditations by Louis-Charles d'Albert, Duc de Luynes (1620-90) appeared in 1647. This is a tolerably accurate version which was published with Descartes' approval; Adrien Baillet, in his biography of Descartes, goes so far as to claim that the philosopher took advantage of the French edition to 'retouch his original work'.
†2 In fact, however, the French version generally stays fairly close to the Latin. There are a number of places where phrases in the original are paraphrased or expanded somewhat, but it is impossible to say which of these modifications, if any, were directly initiated by Descartes (some are certainly too clumsy to be his work). There is thus no good case for giving the French version greater authority than the original Latin text, which we know that Descartes himself composed; and the present translation therefore always provides, in the first instance, a direct rendering of the original Latin. But where expansions or modifications to be found in the French version offer useful glosses on, or additions to, the original, these are also translated, but always in diamond brackets, or in footnotes, to avoid confusion.†1 For details of the Objections and Replies, which were published together with the Meditations in the 1641 and 1642 editions, see below, p. 63.
J.C.


Dedicatory letter to the Sorbonne
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[Dedicatory letter to the Sorbonne]

To those most learned and distinguished men, the Dean and Doctors
of the sacred Faculty of Theology at Paris, from Renι Descartes.

I have a very good reason for offering this book to you, and I am confident that you will have an equally good reason for giving it your protection once you understand the principle behind my undertaking; so much so, that my best way of commending it to you will be to tell you briefly of the goal which I shall be aiming at in the book.
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      I have always thought that two topics - namely God and the soul - are prime examples of subjects where demonstrative proofs ought to be given with the aid of philosophy rather than theology. For us who are believers, it is enough to accept on faith that the human soul does not die with the body, and that God exists; but in the case of unbelievers, it seems that there is no religion, and practically no moral virtue, that they can be persuaded to adopt until these two truths are proved to them by natural reason. And since in this life the rewards offered to vice are often greater than the rewards of virtue, few people would prefer what is right to what is expedient if they did not fear God or have the expectation of an after-life. It is of course quite true that we must believe in the existence of God because it is a doctrine of Holy Scripture, and conversely, that we must believe Holy Scripture because it comes from God; for since faith is the gift of God, he who gives us grace to believe other things can also give us grace to believe that he exists. But this argument cannot be put to unbelievers because they would judge it to be circular. Moreover, I have noticed both that you and all other theologians assert that the existence of God is capable of proof by natural reason, and also that the inference from Holy Scripture is that the knowledge of God is easier to acquire than the knowledge we have of many created things - so easy, indeed, that those who do not acquire it are at fault. This is clear from a passage in the Book of Wisdom, Chapter 13: 'Howbeit they are not to be excused; for if their knowledge was so great that they could value this world, why did they not rather find out the Lord thereof?' And in Romans, Chapter 1 it is said that they are 'without excuse'. And in the same place, in the passage 'that which is known of God is manifest in them', we seem to be told that everything that may be known of God can be demonstrated by reasoning which has no other source but our own mind. Hence I thought it was quite proper for me to inquire how this may be, and how God may be more easily and more certainly known than the things of this world.
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      As regards the soul, many people have considered that it is not easy to discover its nature, and some have even had the audacity to assert that, as far as human reasoning goes, there are persuasive grounds for holding that the soul dies along with the body and that the opposite view is based on faith alone. But in its eighth session the Lateran Council held under Leo X condemned those who take this position,
†1 and expressly enjoined Christian philosophers to refute their arguments and use all their powers to establish the truth; so I have not hesitated to attempt this task as well.
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      In addition, I know that the only reason why many irreligious people are unwilling to believe that God exists and that the human mind is distinct from the body is the alleged fact that no one has hitherto been able to demonstrate these points. Now I completely disagree with this: I think that when properly understood almost all the arguments that have been put forward on these issues by the great men have the force of demonstrations, and I am convinced that it is scarcely possible to provide any arguments which have not already been produced by someone else. Nevertheless, I think there can be no more useful service to be rendered in philosophy than to conduct a careful search, once and for all, for the best of these arguments, and to set them out so precisely and clearly as to produce for the future a general agreement that they amount to demonstrative proofs. And finally, I was strongly pressed to undertake this task by several people who knew that I had developed a method for resolving certain difficulties in the sciences - not a new method (for nothing is older than the truth), but one which they had seen me use with some success in other areas; and I therefore thought it my duty to make some attempt to apply it to the matter in hand.
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      The present treatise contains everything that I have been able to accomplish in this area. Not that I have attempted to collect here all the different arguments that could be put forward to establish the same results, for this does not seem worthwhile except in cases where no single argument is regarded as sufficiently reliable. What I have done is to take merely the principal and most important arguments and develop them in such a way that I would now venture to put them forward as very certain and evident demonstrations. I will add that these proofs are of such a kind that I reckon they leave no room for the possibility that the human mind will ever discover better ones. The vital importance of the cause and the glory of God, to which the entire undertaking is directed, here compel me to speak somewhat more freely about my own achievements than is my custom. But although I regard the proofs as quite certain and evident, I cannot therefore persuade myself that they are suitable to be grasped by everyone. In geometry there are many writings left by Archimedes, Apollonius, Pappus and others which are accepted by everyone as evident and certain because they contain absolutely nothing that is not very easy to understand when considered on its own, and each step fits in precisely with what has gone before; yet because they are somewhat long, and demand a very attentive reader, it is only comparatively few people who understand them. In the same way, although the proofs I employ here are in my view as certain and evident as the proofs of geometry, if not more so, it will, I fear, be impossible for many people to achieve an adequate perception of them, both because they are rather long and some depend on others, and also, above all, because they require a mind which is completely free from preconceived opinions and which can easily detach itself from involvement with the senses. Moreover, people who have an aptitude for metaphysical studies are certainly not to be found in the world in any greater numbers than those who have an aptitude for geometry. What is more, there is the difference that in geometry everyone has been taught to accept that as a rule no proposition is put forward in a book without there being a conclusive demonstration available; so inexperienced students make the mistake of accepting what is false, in their desire to appear to understand it, more often than they make the mistake of rejecting what is true. In philosophy, by contrast, the belief is that everything can be argued either way; so few people pursue the truth, while the great majority build up their reputation for ingenuity by boldly attacking whatever is most sound.

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      Hence, whatever the quality of my arguments may be, because they have to do with philosophy I do not expect they will enable me to achieve any very worthwhile results unless you come to my aid by granting me your patronage.
†1 The reputation of your Faculty is so firmly fixed in the minds of all, and the name of the Sorbonne has such authority that, with the exception of the Sacred Councils, no institution carries more weight than yours in matters of faith; while as regards human philosophy, you are thought of as second to none, both for insight and soundness and also for the integrity and wisdom of your pronouncements. Because of this, the results of your careful attention to this book, if you deigned to give it, would be threefold. First, the errors in it would be corrected - for when I remember not only that I am a human being, but above all that I am an ignorant one, I cannot claim it is free of mistakes. Secondly, any passages which are defective, or insufficiently developed or requiring further explanation, would be supplemented, completed and clarified, either by yourselves or by me after you have given me your advice. And lastly, once the arguments in the book proving that God exists and that the mind is distinct from the body have been brought, as I am sure they can be, to such a pitch of clarity that they are fit to be regarded as very exact demonstrations, you may be willing to declare as much, and make a public statement to that effect. If all this were to happen, I do not doubt that all the errors which have ever existed on these subjects would soon be eradicated from the minds of men. In the case of all those who share your intelligence and learning, the truth itself will readily ensure that they subscribe to your opinion. As for the atheists, who are generally posers rather than people of real intelligence or learning, your authority will induce them to lay aside the spirit of contradiction; and, since they know that the arguments are regarded as demonstrations by all who are intellectually gifted, they may even go so far as to defend them, rather than appear not to understand them. And finally, everyone else will confidently go along with so many declarations of assent, and there will be no one left in the world who will dare to call into doubt either the existence of God or the real distinction between the human soul and body. The great advantage that this would bring is something which you, in your singular wisdom, are in a better position to evaluate than anyone;†1 and it would ill become me to spend any more time commending the cause of God and religion to you, who have always been the greatest tower of strength to the Catholic Church.

Preface to the reader
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Preface to the reader†2

I briefly touched on the topics of God and the human mind in my Discourse on the method of rightly conducting reason and seeking the truth in the sciences, which was published in French in 1637. My purpose there was not to provide a full treatment, but merely to offer a sample, and learn from the views of my readers how I should handle these topics at a later date. The issues seemed to me of such great importance that I considered they ought to be dealt with more than once; and the route which I follow in explaining them is so untrodden and so remote from the normal way, that I thought it would not be helpful to give a full account of it in a book written in French and designed to be read by all and sundry, in case weaker intellects might believe that they ought to set out on the same path.
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      In the Discourse I asked anyone who found anything worth criticizing in what I had written to be kind enough to point it out to me.
†1 In the case of my remarks concerning God and the soul, only two objections worth mentioning were put to me, which I shall now briefly answer before embarking on a more precise elucidation of these topics.
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      The first objection is this. From the fact that the human mind, when directed towards itself, does not perceive itself to be anything other than a thinking thing, it does not follow that its nature or essence consists only in its being a thinking thing, where the word 'only' excludes everything else that could be said to belong to the nature of the soul. My answer to this objection is that in that passage it was not my intention to make those exclusions in an order corresponding to the actual truth of the matter (which I was not dealing with at that stage) but merely in an order corresponding to my own perception. So the sense of the passage was that I was aware of nothing at all that I knew belonged to my essence, except that I was a thinking thing, or a thing possessing within itself the faculty of thinking.
†2 I shall, however, show below how it follows from the fact that I am aware of nothing else belonging to my essence, that nothing else does in fact belong to it.
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      The second objection is this. From the fact that I have within me an idea of a thing more perfect than myself, it does not follow that the idea itself is more perfect than me, still less that what is represented by the idea exists. My reply is that there is an ambiguity here in the word 'idea'. 'Idea' can be taken materially, as an operation of the intellect, in which case it cannot be said to be more perfect than me. Alternatively, it can be taken objectively, as the thing represented by that operation; and this thing, even if it is not regarded as existing outside the intellect, can still, in virtue of its essence, be more perfect than myself. As to how, from the mere fact that there is within me an idea of something more perfect than me, it follows that this thing really exists, this is something which will be fully explained below.
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      Apart from these objections, there are two fairly lengthy essays which I have looked at,
†3 but these did not attack my reasoning on these matters so much as my conclusions, and employed arguments lifted from the standard sources of the atheists. But arguments of this sort can carry no weight with those who understand my reasoning. Moreover, the judgement of many people is so silly and weak that, once they have accepted a view, they continue to believe it, however false and irrational it may be, in preference to a true and well-grounded refutation which they hear subsequently. So I do not wish to reply to such arguments here, if only to avoid having to state them. I will only make the general point that all the objections commonly tossed around by atheists to attack the existence of God invariably depend either on attributing human feelings to God or on arrogantly supposing our own minds to be so powerful and wise that we can attempt to grasp and set limits to what God can or should perform. So, provided only that we remember that our minds must be regarded as finite, while God is infinite and beyond our comprehension, such objections will not cause us any difficulty.
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      But now that I have, after a fashion, taken an initial sample of people's opinions, I am again tackling the same questions concerning God and the human mind; and this time I am also going to deal with the foundations of First Philosophy in its entirety. But I do not expect any popular approval, or indeed any wide audience. On the contrary I would not urge anyone to read this book except those who are able and willing to meditate seriously with me, and to withdraw their minds from the senses and from all preconceived opinions. Such readers, as I well know, are few and far between. Those who do not bother to grasp the proper order of my arguments and the connection between them, but merely try to carp at individual sentences, as is the fashion, will not get much benefit from reading this book. They may well find an opportunity to quibble in many places, but it will not be easy for them to produce objections which are telling or worth replying to.
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      But I certainly do not promise to satisfy my other readers straightaway on all points, and I am not so presumptuous as to believe that I am capable of foreseeing all the difficulties which anyone may find. So first of all, in the Meditations, I will set out the very thoughts which have enabled me, in my view, to arrive at a certain and evident knowledge of the truth, so that I can find out whether the same arguments which have convinced me will enable me to convince others. Next, I will reply to the objections of various men of outstanding intellect and scholarship who had these Meditations sent to them for scrutiny before they went to press. For the objections they raised were so many and so varied that I would venture to hope that it will be hard for anyone else to think of any point - at least of any importance - which these critics have not touched on. I therefore ask my readers not to pass judgement on the Meditations until they have been kind enough to read through all these objections and my replies to them.

Synopsis of the following six Meditations
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Synopsis of the following six Meditations

In the First Meditation reasons are provided which give us possible grounds for doubt about all things, especially material things, so long as we have no foundations for the sciences other than those which we have had up till now. Although the usefulness of such extensive doubt is not apparent at first sight, its greatest benefit lies in freeing us from all our preconceived opinions, and providing the easiest route by which the mind may be led away from the senses. The eventual result of this doubt is to make it impossible for us to have any further doubts about what we subsequently discover to be true.
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      In the Second Meditation, the mind uses its own freedom and supposes the non-existence of all the things about whose existence it can have even the slightest doubt; and in so doing the mind notices that it is impossible that it should not itself exist during this time. This exercise is also of the greatest benefit, since it enables the mind to distinguish without difficulty what belongs to itself, i.e. to an intellectual nature, from what belongs to the body. But since some people may perhaps expect arguments for the immortality of the soul in this section, I think they should be warned here and now that I have tried not to put down anything which I could not precisely demonstrate. Hence the only order which I could follow was that normally employed by geometers, namely to set out all the premisses on which a desired proposition depends, before drawing any conclusions about it. Now the first and most important prerequisite for knowledge of the immortality of the soul is for us to form a concept of the soul which is as clear as possible and is also quite distinct from every concept of body; and that is just what has been done in this section. A further requirement is that we should know that everything that we clearly and distinctly understand is true in a way which corresponds exactly to our understanding of it; but it was not possible to prove this before the Fourth Meditation. In addition we need to have a distinct concept of corporeal nature, and this is developed partly in the Second Meditation itself, and partly in the Fifth and Sixth Meditations. The inference to be drawn from these results is that all the things that we clearly and distinctly conceive of as different substances (as we do in the case of mind and body) are in fact substances which are really distinct one from the other; and this conclusion is drawn in the Sixth Meditation. This conclusion is confirmed in the same Meditation by the fact that we cannot understand a body except as being divisible, while by contrast we cannot understand a mind except as being indivisible. For we cannot conceive of half of a mind, while we can always conceive of half of a body, however small; and this leads us to recognize that the natures of mind and body are not only different, but in some way opposite. But I have not pursued this topic any further in this book, first because these arguments are enough to show that the decay of the body does not imply the destruction of the mind, and are hence enough to give mortals the hope of an after-life, and secondly because the premisses which lead to the conclusion that the soul is immortal depend on an account of the whole of physics. This is required for two reasons. First, we need to know that absolutely all substances, or things which must be created by God in order to exist, are by their nature incorruptible and cannot ever cease to exist unless they are reduced to nothingness by God's denying his concurrence
†1 to them. Secondly, we need to recognize that body, taken in the general sense, is a substance, so that it too never perishes. But the human body, in so far as it differs from other bodies, is simply made up of a certain configuration of limbs and other accidents †2 of this sort; whereas the human mind is not made up of any accidents in this way, but is a pure substance. For even if all the accidents of the mind change, so that it has different objects of the understanding and different desires and sensations, it does not on that account become a different mind; whereas a human body loses its identity merely as a result of a change in the shape of some of its parts. And it follows from this that while the body can very easily perish, the mind †3 is immortal by its very nature.
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      In the Third Meditation I have explained quite fully enough, I think, my principal argument for proving the existence of God. But in order to draw my readers' minds away from the senses as far as possible, I was not willing to use any comparison taken from bodily things. So it may be that many obscurities remain; but I hope they will be completely removed later, in my Replies to the Objections. One such problem, among others, is how the idea of a supremely perfect being, which is in us, possesses so much objective
†4 reality that it can come only from a cause which is supremely perfect. In the Replies this is illustrated by the comparison of a very perfect machine, the idea of which is in the mind of some engineer.†5 Just as the objective intricacy belonging to the idea must have some cause, namely the scientific knowledge of the engineer, or of someone else who passed the idea on to him, so the idea of God which is in us must have God himself as its cause.
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      In the Fourth Meditation it is proved that everything that we clearly and distinctly perceive is true, and I also explain what the nature of falsity consists in. These results need to be known both in order to confirm what has gone before and also to make intelligible what is to come later. (But here it should be noted in passing that I do not deal at all with sin, i.e. the error which is committed in pursuing good and evil, but only with the error that occurs in distinguishing truth from falsehood. And there is no discussion of matters pertaining to faith or the conduct of life, but simply of speculative truths which are known solely by means of the natural light.)
†1
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      In the Fifth Meditation, besides an account of corporeal nature taken in general, there is a new argument demonstrating the existence of God. Again, several difficulties may arise here, but these are resolved later in the Replies to the Objections. Finally I explain the sense in which it is true that the certainty even of geometrical demonstrations depends on the knowledge of God.

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      Lastly, in the Sixth Meditation, the intellect is distinguished from the imagination; the criteria for this distinction are explained; the mind is proved to be really distinct from the body, but is shown, notwithstanding, to be so closely joined to it that the mind and the body make up a kind of unit; there is a survey of all the errors which commonly come from the senses, and an explanation of how they may be avoided; and, lastly, there is a presentation of all the arguments which enable the existence of material things to be inferred. The great benefit of these arguments is not, in my view, that they prove what they establish - namely that there really is a world, and that human beings have bodies and so on - since no sane person has ever seriously doubted these things. The point is that in considering these arguments we come to realize that they are not as solid or as transparent as the arguments which lead us to knowledge of our own minds and of God, so that the latter are the most certain and evident of all possible objects of knowledge for the human intellect. Indeed, this is the one thing that I set myself to prove in these Meditations. And for that reason I will not now go over the various other issues in the book which are dealt with as they come up.


First Meditation
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MEDITATIONS ON FIRST PHILOSOPHY

in which are demonstrated the existence of God and the
distinction between the human soul and the body

FIRST MEDITATION

What can be called into doubt

Some years ago I was struck by the large number of falsehoods that I had accepted as true in my childhood, and by the highly doubtful nature of the whole edifice that I had subsequently based on them. I realized that it was necessary, once in the course of my life, to demolish everything completely and start again right from the foundations if I wanted to establish anything at all in the sciences that was stable and likely to last. But the task looked an enormous one, and I began to wait until I should reach a mature enough age to ensure that no subsequent time of life would be more suitable for tackling such inquiries. This led me to put the project off for so long that I would now be to blame if by pondering over it any further I wasted the time still left for carrying it out. So today I have expressly rid my mind of all worries and arranged for myself a clear stretch of free time. I am here quite alone, and at last I will devote myself sincerely and without reservation to the general demolition of my opinions.
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      But to accomplish this, it will not be necessary for me to show that all my opinions are false, which is something I could perhaps never manage. Reason now leads me to think that I should hold back my assent from opinions which are not completely certain and indubitable just as carefully as I do from those which are patently false. So, for the purpose of rejecting all my opinions, it will be enough if I find in each of them at least some reason for doubt. And to do this I will not need to run through them all individually, which would be an endless task. Once the foundations of a building are undermined, anything built on them collapses of its own accord; so I will go straight for the basic principles on which all my former beliefs rested.
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      Whatever I have up till now accepted as most true I have acquired either from the senses or through the senses. But from time to time I have found that the senses deceive, and it is prudent never to trust completely those who have deceived us even once.
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      Yet although the senses occasionally deceive us with respect to objects which are very small or in the distance, there are many other beliefs about which doubt is quite impossible, even though they are derived from the senses - for example, that I am here, sitting by the fire, wearing a winter dressing-gown, holding this piece of paper in my hands, and so on. Again, how could it be denied that these hands or this whole body are mine? Unless perhaps I were to liken myself to madmen, whose brains are so damaged by the persistent vapours of melancholia that they firmly maintain they are kings when they are paupers, or say they are dressed in purple when they are naked, or that their heads are made of earthenware, or that they are pumpkins, or made of glass. But such people are insane, and I would be thought equally mad if I took anything from them as a model for myself.
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      A brilliant piece of reasoning! As if I were not a man who sleeps at night, and regularly has all the same experiences
†1 while asleep as madmen do when awake - indeed sometimes even more improbable ones. How often, asleep at night, am I convinced of just such familiar events - that I am here in my dressing-gown, sitting by the fire - when in fact I am lying undressed in bed! Yet at the moment my eyes are certainly wide awake when I look at this piece of paper; I shake my head and it is not asleep; as I stretch out and feel my hand I do so deliberately, and I know what I am doing. All this would not happen with such distinctness to someone asleep. Indeed! As if I did not remember other occasions when I have been tricked by exactly similar thoughts while asleep! As I think about this more carefully, I see plainly that there are never any sure signs by means of which being awake can be distinguished from being asleep. The result is that I begin to feel dazed, and this very feeling only reinforces the notion that I may be asleep.
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      Suppose then that I am dreaming, and that these particulars - that my eyes are open, that I am moving my head and stretching out my hands - are not true. Perhaps, indeed, I do not even have such hands or such a body at all. Nonetheless, it must surely be admitted that the visions which come in sleep are like paintings, which must have been fashioned in the likeness of things that are real, and hence that at least these general kinds of things - eyes, head, hands and the body as a whole - are things which are not imaginary but are real and exist. For even when painters try to create sirens and satyrs with the most extraordinary bodies, they cannot give them natures which are new in all respects; they simply jumble up the limbs of different animals. Or if perhaps they manage to think up something so new that nothing remotely similar has ever been seen before - something which is therefore completely fictitious and unreal - at least the colours used in the composition must be real. By similar reasoning, although these general kinds of things - eyes, head, hands and so on - could be imaginary, it must at least be admitted that certain other even simpler and more universal things are real. These are as it were the real colours from which we form all the images of things, whether true or false, that occur in our thought.
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      This class appears to include corporeal nature in general, and its extension; the shape of extended things; the quantity, or size and number of these things; the place in which they may exist, the time through which they may endure,
†1 and so on.
Desc.: DV2 MFP Med1 ap. 20 p. 14
      So a reasonable conclusion from this might be that physics, astronomy, medicine, and all other disciplines which depend on the study of composite things, are doubtful; while arithmetic, geometry and other subjects of this kind, which deal only with the simplest and most general things, regardless of whether they really exist in nature or not, contain something certain and indubitable. For whether I am awake or asleep, two and three added together are five, and a square has no more than four sides. It seems impossible that such transparent truths should incur any suspicion of being false.
Desc.: DV2 MFP Med1 ap. 21 p. 14
      And yet firmly rooted in my mind is the long-standing opinion that there is an omnipotent God who made me the kind of creature that I am. How do I know that he has not brought it about that there is no earth, no sky, no extended thing, no shape, no size, no place, while at the same time ensuring that all these things appear to me to exist just as they do now? What is more, since I sometimes believe that others go astray in cases where they think they have the most perfect knowledge, may I not similarly go wrong every time I add two and three or count the sides of a square, or in some even simpler matter, if that is imaginable? But perhaps God would not have allowed me to be deceived in this way, since he is said to be supremely good. But if it were inconsistent with his goodness to have created me such that I am deceived all the time, it would seem equally foreign to his goodness to allow me to be deceived even occasionally; yet this last assertion cannot be made.
†2
Desc.: DV2 MFP Med1 ap. 21 p. 14
      Perhaps there may be some who would prefer to deny the existence of so powerful a God rather than believe that everything else is uncertain. Let us not argue with them, but grant them that everything said about God is a fiction. According to their supposition, then, I have arrived at my present state by fate or chance or a continuous chain of events, or by some other means; yet since deception and error seem to be imperfections, the less powerful they make my original cause, the more likely it is that I am so imperfect as to be deceived all the time. I have no answer to these arguments, but am finally compelled to admit that there is not one of my former beliefs about which a doubt may not properly be raised; and this is not a flippant or ill-considered conclusion, but is based on powerful and well thought-out reasons. So in future I must withhold my assent from these former beliefs just as carefully as I would from obvious falsehoods, if I want to discover any certainty.
†1
Desc.: DV2 MFP Med1 ap. 22 p. 15
      But it is not enough merely to have noticed this; I must make an effort to remember it. My habitual opinions keep coming back, and, despite my wishes, they capture my belief, which is as it were bound over to them as a result of long occupation and the law of custom. I shall never get out of the habit of confidently assenting to these opinions, so long as I suppose them to be what in fact they are, namely highly probable opinions - opinions which, despite the fact that they are in a sense doubtful, as has just been shown, it is still much more reasonable to believe than to deny. In view of this, I think it will be a good plan to turn my will in completely the opposite direction and deceive myself, by pretending for a time that these former opinions are utterly false and imaginary. I shall do this until the weight of preconceived opinion is counter-balanced and the distorting influence of habit no longer prevents my judgement from perceiving things correctly. In the meantime, I know that no danger or error will result from my plan, and that I cannot possibly go too far in my distrustful attitude. This is because the task now in hand does not involve action but merely the acquisition of knowledge.
Desc.: DV2 MFP Med1 ap. 22 p. 15
      I will suppose therefore that not God, who is supremely good and the source of truth, but rather some malicious demon of the utmost power and cunning has employed all his energies in order to deceive me. I shall think that the sky, the air, the earth, colours, shapes, sounds and all external things are merely the delusions of dreams which he has devised to ensnare my judgement. I shall consider myself as not having hands or eyes, or flesh, or blood or senses, but as falsely believing that I have all these things. I shall stubbornly and firmly persist in this meditation; and, even if it is not in my power to know any truth, I shall at least do what is in my power,
†2 that is, resolutely guard against assenting to any falsehoods, so that the deceiver, however powerful and cunning he may be, will be unable to impose on me in the slightest degree. But this is an arduous undertaking, and a kind of laziness brings me back to normal life. I am like a prisoner who is enjoying an imaginary freedom while asleep; as he begins to suspect that he is asleep, he dreads being woken up, and goes along with the pleasant illusion as long as he can. In the same way, I happily slide back into my old opinions and dread being shaken out of them, for fear that my peaceful sleep may be followed by hard labour when I wake, and that I shall have to toil not in the light, but amid the inextricable darkness of the problems I have now raised.

Second Meditation

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Desc.: DV2 MFP Med2 ap. 23 p. 16
SECOND MEDITATION

The nature of the human mind, and how it is better known
than the body

So serious are the doubts into which I have been thrown as a result of yesterday's meditation that I can neither put them out of my mind nor see any way of resolving them. It feels as if I have fallen unexpectedly into a deep whirlpool which tumbles me around so that I can neither stand on the bottom nor swim up to the top. Nevertheless I will make an effort and once more attempt the same path which I started on yesterday. Anything which admits of the slightest doubt I will set aside just as if I had found it to be wholly false; and I will proceed in this way until I recognize something certain, or, if nothing else, until I at least recognize for certain that there is no certainty. Archimedes used to demand just one firm and immovable point in order to shift the entire earth; so I too can hope for great things if I manage to find just one thing, however slight, that is certain and unshakeable.
Desc.: DV2 MFP Med2 ap. 24 p. 16
      I will suppose then, that everything I see is spurious. I will believe that my memory tells me lies, and that none of the things that it reports ever happened. I have no senses. Body, shape, extension, movement and place are chimeras. So what remains true? Perhaps just the one fact that nothing is certain.
Desc.: DV2 MFP Med2 ap. 24 p. 16
      Yet apart from everything I have just listed, how do I know that there is not something else which does not allow even the slightest occasion for doubt? Is there not a God, or whatever I may call him, who puts into me
†1 the thoughts I am now having? But why do I think this, since I myself may perhaps be the author of these thoughts? In that case am not I, at least, something? But I have just said that I have no senses and no body. This is the sticking point: what follows from this? Am I not so bound up with a body and with senses that I cannot exist without them? But I have convinced myself that there is absolutely nothing in the world, no sky, no earth, no minds, no bodies. Does it now follow that I too do not exist? No: if I convinced myself of something †1 then I certainly existed. But there is a deceiver of supreme power and cunning who is deliberately and constantly deceiving me. In that case I too undoubtedly exist, if he is deceiving me; and let him deceive me as much as he can, he will never bring it about that I am nothing so long as I think that I am something. So after considering everything very thoroughly, I must finally conclude that this proposition, I am, I exist, is necessarily true whenever it is put forward by me or conceived in my mind.
Desc.: DV2 MFP Med2 ap. 25 p. 17
      But I do not yet have a sufficient understanding of what this 'I' is, that now necessarily exists. So I must be on my guard against carelessly taking something else to be this 'I', and so making a mistake in the very item of knowledge that I maintain is the most certain and evident of all. I will therefore go back and meditate on what I originally believed myself to be, before I embarked on this present train of thought. I will then subtract anything capable of being weakened, even minimally, by the arguments now introduced, so that what is left at the end may be exactly and only what is certain and unshakeable.
Desc.: DV2 MFP Med2 ap. 25 p. 17
      What then did I formerly think I was? A man. But what is a man? Shall I say 'a rational animal'? No; for then I should have to inquire what an animal is, what rationality is, and in this way one question would lead me down the slope to other harder ones, and I do not now have the time to waste on subtleties of this kind. Instead I propose to concentrate on what came into my thoughts spontaneously and quite naturally whenever I used to consider what I was. Well, the first thought to come to mind was that I had a face, hands, arms and the whole mechanical structure of limbs which can be seen in a corpse, and which I called the body. The next thought was that I was nourished, that I moved about, and that I engaged in sense-perception and thinking; and these actions I attributed to the soul. But as to the nature of this soul, either I did not think about this or else I imagined it to be something tenuous, like a wind or fire or ether, which permeated my more solid parts. As to the body, however, I had no doubts about it, but thought I knew its nature distinctly. If I had tried to describe the mental conception I had of it, I would have expressed it as follows: by a body I understand whatever has a determinable shape and a definable location and can occupy a space in such a way as to exclude any other body; it can be perceived by touch, sight, hearing, taste or smell, and can be moved in various ways, not by itself but by whatever else comes into contact with it. For, according to my judgement, the power of self-movement, like the power of sensation or of thought, was quite foreign to the nature of a body; indeed, it was a source of wonder to me that certain bodies were found to contain faculties of this kind.
Desc.: DV2 MFP Med2 ap. 26 p. 18
      But what shall I now say that I am, when I am supposing that there is some supremely powerful and, if it is permissible to say so, malicious deceiver, who is deliberately trying to trick me in every way he can? Can I now assert that I possess even the most insignificant of all the attributes which I have just said belong to the nature of a body? I scrutinize them, think about them, go over them again, but nothing suggests itself; it is tiresome and pointless to go through the list once more. But what about the attributes I assigned to the soul? Nutrition or movement? Since now I do not have a body, these are mere fabrications. Sense-perception? This surely does not occur without a body, and besides, when asleep I have appeared to perceive through the senses many things which I afterwards realized I did not perceive through the senses at all. Thinking? At last I have discovered it - thought; this alone is inseparable from me. I am, I exist - that is certain. But for how long? For as long as I am thinking. For it could be that were I totally to cease from thinking, I should totally cease to exist. At present I am not admitting anything except what is necessarily true. I am, then, in the strict sense only a thing that thinks;
†1 that is, I am a mind, or intelligence, or intellect, or reason - words whose meaning I have been ignorant of until now. But for all that I am a thing which is real and which truly exists. But what kind of a thing? As I have just said - a thinking thing.
Desc.: DV2 MFP Med2 ap. 27 p. 18
      What else am I? I will use my imagination.
†2 I am not that structure of limbs which is called a human body. I am not even some thin vapour which permeates the limbs - a wind, fire, air, breath, or whatever I depict in my imagination; for these are things which I have supposed to be nothing. Let this supposition stand;†3 for all that I am still something. And yet may it not perhaps be the case that these very things which I am supposing to be nothing, because they are unknown to me, are in reality identical with the 'I' of which I am aware? I do not know, and for the moment I shall not argue the point, since I can make judgements only about things which are known to me. I know that I exist; the question is, what is this 'I' that I know? If the 'I' is understood strictly as we have been taking it, then it is quite certain that knowledge of it does not depend on things of whose existence I am as yet unaware; so it cannot depend on any of the things which I invent in my imagination. And this very word 'invent' shows me my mistake. It would indeed be a case of fictitious invention if I used my imagination to establish that I was something or other; for imagining is simply contemplating the shape or image of a corporeal thing. Yet now I know for certain both that I exist and at the same time that all such images and, in general, everything relating to the nature of body, could be mere dreams {and chimeras}. Once this point has been grasped, to say 'I will use my imagination to get to know more distinctly what I am' would seem to be as silly as saying 'I am now awake, and see some truth; but since my vision is not yet clear enough, I will deliberately fall asleep so that my dreams may provide a truer and clearer representation.' I thus realize that none of the things that the imagination enables me to grasp is at all relevant to this knowledge of myself which I possess, and that the mind must therefore be most carefully diverted from such things †1 if it is to perceive its own nature as distinctly as possible.
Desc.: DV2 MFP Med2 ap. 28 p. 19
      But what then am I? A thing that thinks. What is that? A thing that doubts, understands, affirms, denies, is willing, is unwilling, and also imagines and has sensory perceptions.
Desc.: DV2 MFP Med2 ap. 28 p. 19
      This is a considerable list, if everything on it belongs to me. But does it? Is it not one and the same 'I' who is now doubting almost everything, who nonetheless understands some things, who affirms that this one thing is true, denies everything else, desires to know more, is unwilling to be deceived, imagines many things even involuntarily, and is aware of many things which apparently come from the senses? Are not all these things just as true as the fact that I exist, even if I am asleep all the time, and even if he who created me is doing all he can to deceive me? Which of all these activities is distinct from my thinking? Which of them can be said to be separate from myself? The fact that it is I who am doubting and understanding and willing is so evident that I see no way of making it any clearer. But it is also the case that the 'I' who imagines is the same 'I'. For even if, as I have supposed, none of the objects of imagination are real, the power of imagination is something which really exists and is part of my thinking. Lastly, it is also the same 'I' who has sensory perceptions, or is aware of bodily things as it were through the senses. For example, I am now seeing light, hearing a noise, feeling heat. But I am asleep, so all this is false. Yet I certainly seem to see, to hear, and to be warmed. This cannot be false; what is called 'having a sensory perception' is strictly just this, and in this restricted sense of the term it is simply thinking.
Desc.: DV2 MFP Med2 ap. 29 p. 20
      From all this I am beginning to have a rather better understanding of what I am. But it still appears - and I cannot stop thinking this - that the corporeal things of which images are formed in my thought, and which the senses investigate, are known with much more distinctness than this puzzling 'I' which cannot be pictured in the imagination. And yet it is surely surprising that I should have a more distinct grasp of things which I realize are doubtful, unknown and foreign to me, than I have of that which is true and known - my own self. But I see what it is: my mind enjoys wandering off and will not yet submit to being restrained within the bounds of truth. Very well then; just this once let us give it a completely free rein, so that after a while, when it is time to tighten the reins, it may more readily submit to being curbed.
Desc.: DV2 MFP Med2 ap. 30 p. 20
      Let us consider the things which people commonly think they understand most distinctly of all; that is, the bodies which we touch and see. I do not mean bodies in general - for general perceptions are apt to be somewhat more confused - but one particular body. Let us take, for example, this piece of wax. It has just been taken from the honeycomb; it has not yet quite lost the taste of the honey; it retains some of the scent of the flowers from which it was gathered; its colour, shape and size are plain to see; it is hard, cold and can be handled without difficulty; if you rap it with your knuckle it makes a sound. In short, it has everything which appears necessary to enable a body to be known as distinctly as possible. But even as I speak, I put the wax by the fire, and look: the residual taste is eliminated, the smell goes away, the colour changes, the shape is lost, the size increases; it becomes liquid and hot; you can hardly touch it, and if you strike it, it no longer makes a sound. But does the same wax remain? It must be admitted that it does; no one denies it, no one thinks otherwise. So what was it in the wax that I understood with such distinctness? Evidently none of the features which I arrived at by means of the senses; for whatever came under taste, smell, sight, touch or hearing has now altered - yet the wax remains.
Desc.: DV2 MFP Med2 ap. 30 p. 20
      Perhaps the answer lies in the thought which now comes to my mind; namely, the wax was not after all the sweetness of the honey, or the fragrance of the flowers, or the whiteness, or the shape, or the sound, but was rather a body which presented itself to me in these various forms a little while ago, but which now exhibits different ones. But what exactly is it that I am now imagining? Let us concentrate, take away everything which does not belong to the wax, and see what is left: merely something extended, flexible and changeable. But what is meant here by 'flexible' and 'changeable'? Is it what I picture in my imagination: that this piece of wax is capable of changing from a round shape to a square shape, or from a square shape to a triangular shape? Not at all; for I can grasp that the wax is capable of countless changes of this kind, yet I am unable to run through this immeasurable number of changes in my imagination, from which it follows that it is not the faculty of imagination that gives me my grasp of the wax as flexible and changeable. And what is meant by 'extended'? Is the extension of the wax also unknown? For it increases if the wax melts, increases again if it boils, and is greater still if the heat is increased. I would not be making a correct judgement about the nature of wax unless I believed it capable of being extended in many more different ways than I will ever encompass in my imagination. I must therefore admit that the nature of this piece of wax is in no way revealed by my imagination, but is perceived by the mind alone. (I am speaking of this particular piece of wax; the point is even clearer with regard to wax in general.) But what is this wax which is perceived by the mind alone?
†1 It is of course the same wax which I see, which I touch, which I picture in my imagination, in short the same wax which I thought it to be from the start. And yet, and here is the point, the perception I have of it †2 is a case not of vision or touch or imagination - nor has it ever been, despite previous appearances - but of purely mental scrutiny; and this can be imperfect and confused, as it was before, or clear and distinct as it is now, depending on how carefully I concentrate on what the wax consists in.
Desc.: DV2 MFP Med2 ap. 31 p. 21
      But as I reach this conclusion I am amazed at how {weak and} prone to error my mind is. For although I am thinking about these matters within myself, silently and without speaking, nonetheless the actual words bring me up short, and I am almost tricked by ordinary ways of talking. We say that we see the wax itself, if it is there before us, not that we judge it to be there from its colour or shape; and this might lead me to conclude without more ado that knowledge of the wax comes from what the eye sees, and not from the scrutiny of the mind alone. But then if I look out of the window and see men crossing the square, as I just happen to have done, I normally say that I see the men themselves, just as I say that I see the wax. Yet do I see any more than hats and coats which could conceal automatons? I judge that they are men. And so something which I thought I was seeing with my eyes is in fact grasped solely by the faculty of judgement which is in my mind.
Desc.: DV2 MFP Med2 ap. 32 p. 21
      However, one who wants to achieve knowledge above the ordinary level should feel ashamed at having taken ordinary ways of talking as a basis for doubt. So let us proceed, and consider on which occasion my perception of the nature of the wax was more perfect and evident. Was it when I first looked at it, and believed I knew it by my external senses, or at least by what they call the 'common' sense
†1 - that is, the power of imagination? Or is my knowledge more perfect now, after a more careful investigation of the nature of the wax and of the means by which it is known? Any doubt on this issue would clearly be foolish; for what distinctness was there in my earlier perception? Was there anything in it which an animal could not possess? But when I distinguish the wax from its outward forms - take the clothes off, as it were, and consider it naked - then although my judgement may still contain errors, at least my perception now requires a human mind.
Desc.: DV2 MFP Med2 ap. 33 p. 22
      But what am I to say about this mind, or about myself? (So far, remember, I am not admitting that there is anything else in me except a mind.) What, I ask, is this 'I' which seems to perceive the wax so distinctly? Surely my awareness of my own self is not merely much truer and more certain than my awareness of the wax, but also much more distinct and evident. For if I judge that the wax exists from the fact that I see it, clearly this same fact entails much more evidently that I myself also exist. It is possible that what I see is not really the wax; it is possible that I do not even have eyes with which to see anything. But when I see, or think I see (I am not here distinguishing the two), it is simply not possible that I who am now thinking am not something. By the same token, if I judge that the wax exists from the fact that I touch it, the same result follows, namely that I exist. If I judge that it exists from the fact that I imagine it, or for any other reason, exactly the same thing follows. And the result that I have grasped in the case of the wax may be applied to everything else located outside me. Moreover, if my perception of the wax seemed more distinct
†2 after it was established not just by sight or touch but by many other considerations, it must be admitted that I now know myself even more distinctly. This is because every consideration whatsoever which contributes to my perception of the wax, or of any other body, cannot but establish even more effectively the nature of my own mind. But besides this, there is so much else in the mind itself which can serve to make my knowledge of it more distinct, that it scarcely seems worth going through the contributions made by considering bodily things.

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Desc.: DV2 MFP Med2 ap. 34 p. 22
      I see that without any effort I have now finally got back to where I wanted. I now know that even bodies are not strictly perceived by the senses or the faculty of imagination but by the intellect alone, and that this perception derives not from their being touched or seen but from their being understood; and in view of this I know plainly that I can achieve an easier and more evident perception of my own mind than of anything else. But since the habit of holding on to old opinions cannot be set aside so quickly, I should like to stop here and meditate for some time on this new knowledge I have gained, so as to fix it more deeply in my memory.

Third Meditation
Desc.: DV2 MFP Med3 ap. 34 p. 24
THIRD MEDITATION

The existence of God

I will now shut my eyes, stop my ears, and withdraw all my senses. I will eliminate from my thoughts all images of bodily things, or rather, since this is hardly possible, I will regard all such images as vacuous, false and worthless. I will converse with myself and scrutinize myself more deeply; and in this way I will attempt to achieve, little by little, a more intimate knowledge of myself. I am a thing that thinks: that is, a thing that doubts, affirms, denies, understands a few things, is ignorant of many things,
†1 is willing, is unwilling, and also which imagines and has sensory perceptions; for as I have noted before, even though the objects of my sensory experience and imagination may have no existence outside me, nonetheless the modes of thinking which I refer to as cases of sensory perception and imagination, in so far as they are simply modes of thinking, do exist within me - of that I am certain.
Desc.: DV2 MFP Med3 ap. 35 p. 24
      In this brief list I have gone through everything I truly know, or at least everything I have so far discovered that I know. Now I will cast around more carefully to see whether there may be other things within me which I have not yet noticed. I am certain that I am a thinking thing. Do I not therefore also know what is required for my being certain about anything? In this first item of knowledge there is simply a clear and distinct perception of what I am asserting; this would not be enough to make me certain of the truth of the matter if it could ever turn out that something which I perceived with such clarity and distinctness was false. So I now seem to be able to lay it down as a general rule that whatever I perceive very clearly and distinctly is true.
†2
Desc.: DV2 MFP Med3 ap. 35 p. 24
      Yet I previously accepted as wholly certain and evident many things which I afterwards realized were doubtful. What were these? The earth, sky, stars, and everything else that I apprehended with the senses. But what was it about them that I perceived clearly? Just that the ideas, or thoughts, of such things appeared before my mind. Yet even now I am not denying that these ideas occur within me. But there was something else which I used to assert, and which through habitual belief I thought I perceived clearly, although I did not in fact do so. This was that there were things outside me which were the sources of my ideas and which resembled them in all respects. Here was my mistake; or at any rate, if my judgement was true, it was not thanks to the strength of my perception.
†1
Desc.: DV2 MFP Med3 ap. 35 p. 25
      But what about when I was considering something very simple and straightforward in arithmetic or geometry, for example that two and three added together make five, and so on? Did I not see at least these things clearly enough to affirm their truth? Indeed, the only reason for my later judgement that they were open to doubt was that it occurred to me that perhaps some God could have given me a nature such that I was deceived even in matters which seemed most evident. And whenever my preconceived belief in the supreme power of God comes to mind, I cannot but admit that it would be easy for him, if he so desired, to bring it about that I go wrong even in those matters which I think I see utterly clearly with my mind's eye. Yet when I turn to the things themselves which I think I perceive very clearly, I am so convinced by them that I spontaneously declare: let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something; or make it true at some future time that I have never existed, since it is now true that I exist; or bring it about that two and three added together are more or less than five, or anything of this kind in which I see a manifest contradiction. And since I have no cause to think that there is a deceiving God, and I do not yet even know for sure whether there is a God at all, any reason for doubt which depends simply on this supposition is a very slight and, so to speak, metaphysical one. But in order to remove even this slight reason for doubt, as soon as the opportunity arises I must examine whether there is a God, and, if there is, whether he can be a deceiver. For if I do not know this, it seems that I can never be quite certain about anything else.
Desc.: DV2 MFP Med3 ap. 36 p. 25
      First, however, considerations of order appear to dictate that I now classify my thoughts into definite kinds,
†2 and ask which of them can properly be said to be the bearers of truth and falsity. Some of my thoughts are as it were the images of things, and it is only in these cases that the term 'idea' is strictly appropriate - for example, when I think of a man, or a chimera, or the sky, or an angel, or God. Other thoughts have various additional forms: thus when I will, or am afraid, or affirm, or deny, there is always a particular thing which I take as the object of my thought, but my thought includes something more than the likeness of that thing. Some thoughts in this category are called volitions or emotions, while others are called judgements.
Desc.: DV2 MFP Med3 ap. 37 p. 26
      Now as far as ideas are concerned, provided they are considered solely in themselves and I do not refer them to anything else, they cannot strictly speaking be false; for whether it is a goat or a chimera that I am imagining, it is just as true that I imagine the former as the latter. As for the will and the emotions, here too one need not worry about falsity; for even if the things which I may desire are wicked or even non-existent, that does not make it any less true that I desire them. Thus the only remaining thoughts where I must be on my guard against making a mistake are judgements. And the chief and most common mistake which is to be found here consists in my judging that the ideas which are in me resemble, or conform to, things located outside me. Of course, if I considered just the ideas themselves simply as modes of my thought, without referring them to anything else, they could scarcely give me any material for error.
Desc.: DV2 MFP Med3 ap. 37 p. 26
      Among my ideas, some appear to be innate, some to be adventitious,
†1 and others to have been invented by me. My understanding of what a thing is, what truth is, and what thought is, seems to derive simply from my own nature. But my hearing a noise, as I do now, or seeing the sun, or feeling the fire, comes from things which are located outside me, or so I have hitherto judged. Lastly, sirens, hippogriffs and the like are my own invention. But perhaps all my ideas may be thought of as adventitious, or they may all be innate, or all made up; for as yet I have not clearly perceived their true origin.
Desc.: DV2 MFP Med3 ap. 38 p. 26
      But the chief question at this point concerns the ideas which I take to be derived from things existing outside me: what is my reason for thinking that they resemble these things? Nature has apparently taught me to think this. But in addition I know by experience that these ideas do not depend on my will, and hence that they do not depend simply on me. Frequently I notice them even when I do not want to: now, for example, I feel the heat whether I want to or not, and this is why I think that this sensation or idea of heat comes to me from something other than myself, namely the heat of the fire by which I am sitting. And the most obvious judgement for me to make is that the thing in question transmits to me its own likeness rather than something else.
Desc.: DV2 MFP Med3 ap. 38 p. 26
      I will now see if these arguments are strong enough. When I say 'Nature taught me to think this', all I mean is that a spontaneous impulse leads me to believe it, not that its truth has been revealed to me by some natural light. There is a big difference here. Whatever is revealed to me by the natural light - for example that from the fact that I am doubting it follows that I exist, and so on - cannot in any way be open to doubt. This is because there cannot be another faculty
†1 both as trustworthy as the natural light and also capable of showing me that such things are not true. But as for my natural impulses, I have often judged in the past that they were pushing me in the wrong direction when it was a question of choosing the good, and I do not see why I should place any greater confidence in them in other matters.†2
Desc.: DV2 MFP Med3 ap. 39 p. 27
      Then again, although these ideas do not depend on my will, it does not follow that they must come from things located outside me. Just as the impulses which I was speaking of a moment ago seem opposed to my will even though they are within me, so there may be some other faculty not yet fully known to me, which produces these ideas without any assistance from external things; this is, after all, just how I have always thought ideas are produced in me when I am dreaming.
Desc.: DV2 MFP Med3 ap. 39 p. 27
      And finally, even if these ideas did come from things other than myself, it would not follow that they must resemble those things. Indeed, I think I have often discovered a great disparity {between an object and its idea} in many cases. For example, there are two different ideas of the sun which I find within me. One of them, which is acquired as it were from the senses and which is a prime example of an idea which I reckon to come from an external source, makes the sun appear very small. The other idea is based on astronomical reasoning, that is, it is derived from certain notions which are innate in me (or else it is constructed by me in some other way), and this idea shows the sun to be several times larger than the earth. Obviously both these ideas cannot resemble the sun which exists outside me; and reason persuades me that the idea which seems to have emanated most directly from the sun itself has in fact no resemblance to it at all.
Desc.: DV2 MFP Med3 ap. 40 p. 27
      All these considerations are enough to establish that it is not reliable judgement but merely some blind impulse that has made me believe up till now that there exist things distinct from myself which transmit to me ideas or images of themselves through the sense organs or in some other way.
Desc.: DV2 MFP Med3 ap. 40 p. 27
      But it now occurs to me that there is another way of investigating whether some of the things of which I possess ideas exist outside me. In so far as the ideas are {considered} simply {as} modes of thought, there is no recognizable inequality among them: they all appear to come from within me in the same fashion. But in so far as different ideas {are considered as images which} represent different things, it is clear that they differ widely. Undoubtedly, the ideas which represent substances to me amount to something more and, so to speak, contain within themselves more objective
†1 reality than the ideas which merely represent modes or accidents. Again, the idea that gives me my understanding of a supreme God, eternal, infinite, {immutable,} omniscient, omnipotent and the creator of all things that exist apart from him, certainly has in it more objective reality than the ideas that represent finite substances.

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Desc.: DV2 MFP Med3 ap. 40 p. 28
      Now it is manifest by the natural light that there must be at least as much {reality} in the efficient and total cause as in the effect of that cause. For where, I ask, could the effect get its reality from, if not from the cause? And how could the cause give it to the effect unless it possessed it? It follows from this both that something cannot arise from nothing, and also that what is more perfect - that is, contains in itself more reality - cannot arise from what is less perfect. And this is transparently true not only in the case of effects which possess {what the philosophers call} actual or formal reality, but also in the case of ideas, where one is considering only {what they call} objective reality. A stone, for example, which previously did not exist, cannot begin to exist unless it is produced by something which contains, either formally or eminently everything to be found in the stone;
†2 similarly, heat cannot be produced in an object which was not previously hot, except by something of at least the same order {degree or kind} of perfection as heat, and so on. But it is also true that the idea of heat, or of a stone, cannot exist in me unless it is put there by some cause which contains at least as much reality as I conceive to be in the heat or in the stone. For although this cause does not transfer any of its actual or formal reality to my idea, it should not on that account be supposed that it must be less real.†3 The nature of an idea is such that of itself it requires no formal reality except what it derives from my thought, of which it is a mode.†4 But in order for a given idea to contain such and such objective reality, it must surely derive it from some cause which contains at least as much formal reality as there is objective reality in the idea. For if we suppose that an idea contains something which was not in its cause, it must have got this from nothing; yet the mode of being by which a thing exists objectively {or representatively} in the intellect by way of an idea, imperfect though it may be, is certainly not nothing, and so it cannot come from nothing.
Desc.: DV2 MFP Med3 ap. 41 p. 29
      And although the reality which I am considering in my ideas is merely objective reality, I must not on that account suppose that the same reality need not exist formally in the causes of my ideas, but that it is enough for it to be present in them objectively. For just as the objective mode of being belongs to ideas by their very nature, so the formal mode of being belongs to the causes of ideas - or at least the first and most important ones - by their very nature. And although one idea may perhaps originate from another, there cannot be an infinite regress here; eventually one must reach a primary idea, the cause of which will be like an archetype which contains formally {and in fact} all the reality {or perfection} which is present only objectively {or representatively} in the idea. So it is clear to me, by the natural light, that the ideas in me are like {pictures, or} images which can easily fall short of the perfection of the things from which they are taken, but which cannot contain anything greater or more perfect.
Desc.: DV2 MFP Med3 ap. 42 p. 29
      The longer and more carefully I examine all these points, the more clearly and distinctly I recognize their truth. But what is my conclusion to be? If the objective reality of any of my ideas turns out to be so great that I am sure the same reality does not reside in me, either formally or eminently, and hence that I myself cannot be its cause, it will necessarily follow that I am not alone in the world, but that some other thing which is the cause of this idea also exists. But if no such idea is to be found in me, I shall have no argument to convince me of the existence of anything apart from myself. For despite a most careful and comprehensive survey, this is the only argument I have so far been able to find.
Desc.: DV2 MFP Med3 ap. 42 p. 29
      Among my ideas, apart from the idea which gives me a representation of myself, which cannot present any difficulty in this context, there are ideas which variously represent God, corporeal and inanimate things, angels, animals and finally other men like myself.
Desc.: DV2 MFP Med3 ap. 43 p. 29
      As far as concerns the ideas which represent other men, or animals, or angels, I have no difficulty in understanding that they could be put together from the ideas I have of myself, of corporeal things and of God, even if the world contained no men besides me, no animals and no angels.
Desc.: DV2 MFP Med3 ap. 43 p. 29
      As to my ideas of corporeal things, I can see nothing in them which is so great {or excellent} as to make it seem impossible that it originated in myself. For if I scrutinize them thoroughly and examine them one by one, in the way in which I examined the idea of the wax yesterday, I notice that the things which I perceive clearly and distinctly in them are very few in number. The list comprises size, or extension in length, breadth and depth; shape, which is a function of the boundaries of this extension; position, which is a relation between various items possessing shape; and motion, or change in position; to these may be added substance, duration and number. But as for all the rest, including light and colours, sounds, smells, tastes, heat and cold and the other tactile qualities, I think of these only in a very confused and obscure way, to the extent that I do not even know whether they are true or false, that is, whether the ideas I have of them are ideas of real things or of non-things.
†1 For although, as I have noted before, falsity in the strict sense, or formal falsity, can occur only in judgements, there is another kind of falsity, material falsity, which occurs in ideas, when they represent non-things as things. For example, the ideas which I have of heat and cold contain so little clarity and distinctness that they do not enable me to tell whether cold is merely the absence of heat or vice versa, or whether both of them are real qualities, or neither is. And since there can be no ideas which are not as it were of things,†2 if it is true that cold is nothing but the absence of heat, the idea which represents it to me as something real and positive deserves to be called false; and the same goes for other ideas of this kind.
Desc.: DV2 MFP Med3 ap. 44 p. 30
      Such ideas obviously do not require me to posit a source distinct from myself. For on the one hand, if they are false, that is, represent non-things, I know by the natural light that they arise from nothing - that is, they are in me only because of a deficiency and lack of perfection in my nature. If on the other hand they are true, then since the reality which they represent is so extremely slight that I cannot even distinguish it from a non-thing, I do not see why they cannot originate from myself.
Desc.: DV2 MFP Med3 ap. 44 p. 30
      With regard to the clear and distinct elements in my ideas of corporeal things, it appears that I could have borrowed some of these from my idea of myself, namely substance, duration, number and anything else of this kind. For example, I think that a stone is a substance, or is a thing capable of existing independently, and I also think that I am a substance. Admittedly I conceive of myself as a thing that thinks and is not extended, whereas I conceive of the stone as a thing that is extended and does not think, so that the two conceptions differ enormously; but they seem to agree with respect to the classification 'substance'.
†3 Again, I perceive that I now exist, and remember that I have existed for some time; moreover, I have various thoughts which I can count; it is in these ways that I acquire the ideas of duration and number which I can then transfer to other things. As for all the other elements which make up the ideas of corporeal things, namely extension, shape, position and movement, these are not formally contained in me, since I am nothing but a thinking thing; but since they are merely modes of a substance,†1 and I am a substance, it seems possible that they are contained in me eminently.
Desc.: DV2 MFP Med3 ap. 45 p. 31
      So there remains only the idea of God; and I must consider whether there is anything in the idea which could not have originated in myself. By the word 'God' I understand a substance that is infinite, {eternal, immutable,} independent, supremely intelligent, supremely powerful, and which created both myself and everything else (if anything else there be) that exists. All these attributes are such that, the more carefully I concentrate on them, the less possible it seems that they
†2 could have originated from me alone. So from what has been said it must be concluded that God necessarily exists.
Desc.: DV2 MFP Med3 ap. 45 p. 31
      It is true that I have the idea of substance in me in virtue of the fact that I am a substance; but this would not account for my having the idea of an infinite substance, when I am finite, unless this idea proceeded from some substance which really was infinite.
Desc.: DV2 MFP Med3 ap. 45 p. 31
      And I must not think that, just as my conceptions of rest and darkness are arrived at by negating movement and light, so my perception of the infinite is arrived at not by means of a true idea but merely by negating the finite. On the contrary, I clearly understand that there is more reality in an infinite substance than in a finite one, and hence that my perception of the infinite, that is God, is in some way prior to my perception of the finite, that is myself. For how could I understand that I doubted or desired - that is, lacked something - and that I was not wholly perfect, unless there were in me some idea of a more perfect being which enabled me to recognize my own defects by comparison?
Desc.: DV2 MFP Med3 ap. 46 p. 31
      Nor can it be said that this idea of God is perhaps materially false and so could have come from nothing,
†3 which is what I observed just a moment ago in the case of the ideas of heat and cold, and so on. On the contrary, it is utterly clear and distinct, and contains in itself more objective reality than any other idea; hence there is no idea which is in itself truer or less liable to be suspected of falsehood. This idea of a supremely perfect and infinite being is, I say, true in the highest degree; for although perhaps one may imagine that such a being does not exist, it cannot be supposed that the idea of such a being represents something unreal, as I said with regard to the idea of cold. The idea is, moreover, utterly clear and distinct; for whatever I clearly and distinctly perceive as being real and true, and implying any perfection, is wholly contained in it. It does not matter that I do not grasp the infinite, or that there are countless additional attributes of God which I cannot in any way grasp, and perhaps cannot even reach in my thought; for it is in the nature of the infinite not to be grasped by a finite being like myself. It is enough that I understand †1 the infinite, and that I judge that all the attributes which I clearly perceive and know to imply some perfection - and perhaps countless others of which I am ignorant - are present in God either formally or eminently. This is enough to make the idea that I have of God the truest and most clear and distinct of all my ideas.
Desc.: DV2 MFP Med3 ap. 46 p. 32
      But perhaps I am something greater than I myself understand, and all the perfections which I attribute to God are somehow in me potentially, though not yet emerging or actualized. For I am now experiencing a gradual increase in my knowledge, and I see nothing to prevent its increasing more and more to infinity. Further, I see no reason why I should not be able to use this increased knowledge to acquire all the other perfections of God. And finally, if the potentiality for these perfections is already within me, why should not this be enough to generate the idea of such perfections?
Desc.: DV2 MFP Med3 ap. 47 p. 32
      But all this is impossible. First, though it is true that there is a gradual increase in my knowledge, and that I have many potentialities which are not yet actual, this is all quite irrelevant to the idea of God, which contains absolutely nothing that is potential;
†2 indeed, this gradual increase in knowledge is itself the surest sign of imperfection. What is more, even if my knowledge always increases more and more, I recognize that it will never actually be infinite, since it will never reach the point where it is not capable of a further increase; God, on the other hand, I take to be actually infinite, so that nothing can be added to his perfection. And finally, I perceive that the objective being of an idea cannot be produced merely by potential being, which strictly speaking is nothing, but only by actual or formal being.
Desc.: DV2 MFP Med3 ap. 47 p. 32
      If one concentrates carefully, all this is quite evident by the natural light. But when I relax my concentration, and my mental vision is blinded by the images of things perceived by the senses, it is not so easy for me to remember why the idea of a being more perfect than myself must necessarily proceed from some being which is in reality more perfect. I should therefore like to go further and inquire whether I myself, who have this idea, could exist if no such being existed.

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Desc.: DV2 MFP Med3 ap. 48 p. 33
      From whom, in that case, would I derive my existence? From myself presumably, or from my parents, or from some other beings less perfect than God; for nothing more perfect than God, or even as perfect, can be thought of or imagined.
Desc.: DV2 MFP Med3 ap. 48 p. 33
      Yet if I derived my existence from myself,
†1 then I should neither doubt nor want, nor lack anything at all; for I should have given myself all the perfections of which I have any idea, and thus I should myself be God. I must not suppose that the items I lack would be more difficult to acquire than those I now have. On the contrary, it is clear that, since I am a thinking thing or substance, it would have been far more difficult for me to emerge out of nothing than merely to acquire knowledge of the many things of which I am ignorant - such knowledge being merely an accident of that substance. And if I had derived my existence from myself, which is a greater achievement, I should certainly not have denied myself the knowledge in question, which is something much easier to acquire, or indeed any of the attributes which I perceive to be contained in the idea of God; for none of them seem any harder to achieve. And if any of them were harder to achieve, they would certainly appear so to me, if I had indeed got all my other attributes from myself, since I should experience a limitation of my power in this respect.
Desc.: DV2 MFP Med3 ap. 48 p. 33
      I do not escape the force of these arguments by supposing that I have always existed as I do now, as if it followed from this that there was no need to look for any author of my existence. For a lifespan can be divided into countless parts, each completely independent of the others, so that it does not follow from the fact that I existed a little while ago that I must exist now, unless there is some cause which as it were creates me afresh at this moment - that is, which preserves me. For it is quite clear to anyone who attentively considers the nature of time that the same power and action are needed to preserve anything at each individual moment of its duration as would be required to create that thing anew if it were not yet in existence. Hence the distinction between preservation and creation is only a conceptual one,
†2 and this is one of the things that are evident by the natural light.
Desc.: DV2 MFP Med3 ap. 49 p. 33
      I must therefore now ask myself whether I possess some power enabling me to bring it about that I who now exist will still exist a little while from now. For since I am nothing but a thinking thing - or at least since I am now concerned only and precisely with that part of me which is a thinking thing - if there were such a power in me, I should undoubtedly be aware of it. But I experience no such power, and this very fact makes me recognize most clearly that I depend on some being distinct from myself.
Desc.: DV2 MFP Med3 ap. 49 p. 34
      But perhaps this being is not God, and perhaps I was produced either by my parents or by other causes less perfect than God. No; for as I have said before, it is quite clear that there must be at least as much in the cause as in the effect.
†1 And therefore whatever kind of cause is eventually proposed, since I am a thinking thing and have within me some idea of God, it must be admitted that what caused me is itself a thinking thing and possesses the idea of all the perfections which I attribute to God. In respect of this cause one may again inquire whether it derives its existence from itself or from another cause. If from itself, then it is clear from what has been said that it is itself God, since if it has the power of existing through its own might,†2 then undoubtedly it also has the power of actually possessing all the perfections of which it has an idea - that is, all the perfections which I conceive to be in God. If, on the other hand, it derives its existence from another cause, then the same question may be repeated concerning this further cause, namely whether it derives its existence from itself or from another cause, until eventually the ultimate cause is reached, and this will be God.
Desc.: DV2 MFP Med3 ap. 50 p. 34
      It is clear enough that an infinite regress is impossible here, especially since I am dealing not just with the cause that produced me in the past, but also and most importantly with the cause that preserves me at the present moment.
Desc.: DV2 MFP Med3 ap. 50 p. 34
      Nor can it be supposed that several partial causes contributed to my creation, or that I received the idea of one of the perfections which I attribute to God from one cause and the idea of another from another - the supposition here being that all the perfections are to be found somewhere in the universe but not joined together in a single being, God. On the contrary, the unity, the simplicity, or the inseparability of all the attributes of God is one of the most important of the perfections which I understand him to have. And surely the idea of the unity of all his perfections could not have been placed in me by any cause which did not also provide me with the ideas of the other perfections; for no cause could have made me understand the interconnection and inseparability of the perfections without at the same time making me recognize what they were.
Desc.: DV2 MFP Med3 ap. 50 p. 35
      Lastly, as regards my parents, even if everything I have ever believed about them is true, it is certainly not they who preserve me; and in so far as I am a thinking thing, they did not even make me; they merely placed certain dispositions in the matter which I have always regarded as containing me, or rather my mind, for that is all I now take myself to be. So there can be no difficulty regarding my parents in this context. Altogether then, it must be concluded that the mere fact that I exist and have within me an idea of a most perfect being, that is, God, provides a very clear proof that God indeed exists.
Desc.: DV2 MFP Med3 ap. 51 p. 35
      It only remains for me to examine how I received this idea from God. For I did not acquire it from the senses; it has never come to me unexpectedly, as usually happens with the ideas of things that are perceivable by the senses, when these things present themselves to the external sense organs - or seem to do so. And it was not invented by me either; for I am plainly unable either to take away anything from it or to add anything to it. The only remaining alternative is that it is innate in me, just as the idea of myself is innate in me.
Desc.: DV2 MFP Med3 ap. 51 p. 35
      And indeed it is no surprise that God, in creating me, should have placed this idea in me to be, as it were, the mark of the craftsman stamped on his work - not that the mark need be anything distinct from the work itself. But the mere fact that God created me is a very strong basis for believing that I am somehow made in his image and likeness, and that I perceive that likeness, which includes the idea of God, by the same faculty which enables me to perceive myself. That is, when I turn my mind's eye upon myself, I understand that I am a thing which is incomplete and dependent on another and which aspires without limit to ever greater and better things; but I also understand at the same time that he on whom I depend has within him all those greater things, not just indefinitely and potentially but actually and infinitely, and hence that he is God. The whole force of the argument lies in this: I recognize that it would be impossible for me to exist with the kind of nature I have - that is, having within me the idea of God - were it not the case that God really existed. By 'God' I mean the very being the idea of whom is within me, that is, the possessor of all the perfections which I cannot grasp, but can somehow reach in my thought, who is subject to no defects whatsoever.
†1 It is clear enough from this that he cannot be a deceiver, since it is manifest by the natural light that all fraud and deception depend on some defect.
Desc.: DV2 MFP Med3 ap. 52 p. 35
      But before examining this point more carefully and investigating other truths which may be derived from it, I should like to pause here and spend some time in the contemplation of God; to reflect on his attributes, and to gaze with wonder and adoration on the beauty of this immense light, so far as the eye of my darkened intellect can bear it. For just as we believe through faith that the supreme happiness of the next life consists solely in the contemplation of the divine majesty, so experience tells us that this same contemplation, albeit much less perfect, enables us to know the greatest joy of which we are capable in this life.

Fourth Meditation
Desc.: DV2 MFP Med4 ap. 52 p. 37
FOURTH MEDITATION

Truth and falsity

During these past few days I have accustomed myself to leading my mind away from the senses; and I have taken careful note of the fact that there is very little about corporeal things that is truly perceived, whereas much more is known about the human mind, and still more about God. The result is that I now have no difficulty in turning my mind away from imaginable things
†1 and towards things which are objects of the intellect alone and are totally separate from matter. And indeed the idea I have of the human mind, in so far as it is a thinking thing, which is not extended in length, breadth or height and has no other bodily characteristics, is much more distinct than the idea of any corporeal thing. And when I consider the fact that I have doubts, or that I am a thing that is incomplete and dependent, then there arises in me a clear and distinct idea of a being who is independent and complete, that is, an idea of God. And from the mere fact that there is such an idea within me, or that I who possess this idea exist, I clearly infer that God also exists, and that every single moment of my entire existence depends on him. So clear is this conclusion that I am confident that the human intellect cannot know anything that is more evident or more certain. And now, from this contemplation of the true God, in whom all the treasures of wisdom and the sciences lie hidden, I think I can see a way forward to the knowledge of other things.†2
Desc.: DV2 MFP Med4 ap. 53 p. 37
      To begin with, I recognize that it is impossible that God should ever deceive me. For in every case of trickery or deception some imperfection is to be found; and although the ability to deceive appears to be an indication of cleverness or power, the will to deceive is undoubtedly evidence of malice or weakness, and so cannot apply to God.
Desc.: DV2 MFP Med4 ap. 53 p. 37
      Next, I know by experience that there is in me a faculty of judgement which, like everything else which is in me, I certainly received from God. And since God does not wish to deceive me, he surely did not give me the kind of faculty which would ever enable me to go wrong while using it correctly.

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Desc.: DV2 MFP Med4 ap. 54 p. 38
      There would be no further doubt on this issue were it not that what I have just said appears to imply that I am incapable of ever going wrong. For if everything that is in me comes from God, and he did not endow me with a faculty for making mistakes, it appears that I can never go wrong. And certainly, so long as I think only of God, and turn my whole attention to him, I can find no cause of error or falsity. But when I turn back to myself, I know by experience that I am prone to countless errors. On looking for the cause of these errors, I find that I possess not only a real and positive idea of God, or a being who is supremely perfect, but also what may be described as a negative idea of nothingness, or of that which is farthest removed from all perfection. I realize that I am, as it were, something intermediate between God and nothingness, or between supreme being and non-being: my nature is such that in so far as I was created by the supreme being, there is nothing in me to enable me to go wrong or lead me astray; but in so far as I participate in nothingness or non-being, that is, in so far as I am not myself the supreme being and am lacking in countless respects, it is no wonder that I make mistakes. I understand, then, that error as such is not something real which depends on God, but merely a defect. Hence my going wrong does not require me to have a faculty specially bestowed on me by God; it simply happens as a result of the fact that the faculty of true judgement which I have from God is in my case not infinite.
Desc.: DV2 MFP Med4 ap. 55 p. 38
      But this is still not entirely satisfactory. For error is not a pure negation,
†1 but rather a privation or lack of some knowledge which somehow should be in me. And when I concentrate on the nature of God, it seems impossible that he should have placed in me a faculty which is not perfect of its kind, or which lacks some perfection which it ought to have. The more skilled the craftsman the more perfect the work produced by him; if this is so, how can anything produced by the supreme creator of all things not be complete and perfect in all respects? There is, moreover, no doubt that God could have given me a nature such that I was never mistaken; again, there is no doubt that he always wills what is best. Is it then better that I should make mistakes than that I should not do so?
Desc.: DV2 MFP Med4 ap. 55 p. 38
      As I reflect on these matters more attentively, it occurs to me first of all that it is no cause for surprise if I do not understand the reasons for some of God's actions; and there is no call to doubt his existence if I happen to find that there are other instances where I do not grasp why or how certain things were made by him. For since I now know that my own nature is very weak and limited, whereas the nature of God is immense, incomprehensible and infinite, I also know without more ado that he is capable of countless things whose causes are beyond my knowledge. And for this reason alone I consider the customary search for final causes to be totally useless in physics; there is considerable rashness in thinking myself capable of investigating the {impenetrable} purposes of God.
Desc.: DV2 MFP Med4 ap. 55 p. 39
      It also occurs to me that whenever we are inquiring whether the works of God are perfect, we ought to look at the whole universe, not just at one created thing on its own. For what would perhaps rightly appear very imperfect if it existed on its own is quite perfect when its function as a part of the universe is considered. It is true that, since my decision to doubt everything, it is so far only myself and God whose existence I have been able to know with certainty; but after considering the immense power of God, I cannot deny that many other things have been made by him, or at least could have been made, and hence that I may have a place in the universal scheme of things.
Desc.: DV2 MFP Med4 ap. 56 p. 39
      Next, when I look more closely at myself and inquire into the nature of my errors (for these are the only evidence of some imperfection in me), I notice that they depend on two concurrent causes, namely on the faculty of knowledge which is in me, and on the faculty of choice or freedom of the will; that is, they depend on both the intellect and the will simultaneously. Now all that the intellect does is to enable me to perceive
†1 the ideas which are subjects for possible judgements; and when regarded strictly in this light, it turns out to contain no error in the proper sense of that term. For although countless things may exist without there being any corresponding ideas in me, it should not, strictly speaking, be said that I am deprived of these ideas,†2 but merely that I lack them, in a negative sense. This is because I cannot produce any reason to prove that God ought to have given me a greater faculty of knowledge than he did; and no matter how skilled I understand a craftsman to be, this does not make me think he ought to have put into every one of his works all the perfections which he is able to put into some of them. Besides, I cannot complain that the will or freedom of choice which I received from God is not sufficiently extensive or perfect, since I know by experience that it is not restricted in any way. Indeed, I think it is very noteworthy that there is nothing else in me which is so perfect and so great that the possibility of a further increase in its perfection or greatness is beyond my understanding. If, for example, I consider the faculty of understanding, I immediately recognize that in my case it is extremely slight and very finite, and I at once form the idea of an understanding which is much greater - indeed supremely great and infinite; and from the very fact that I can form an idea of it, I perceive that it belongs to the nature of God. Similarly, if I examine the faculties of memory or imagination, or any others, I discover that in my case each one of these faculties is weak and limited, while in the case of God it is immeasurable. It is only the will, or freedom of choice, which I experience within me to be so great that the idea of any greater faculty is beyond my grasp; so much so that it is above all in virtue of the will that I understand myself to bear in some way the image and likeness of God. For although God's will is incomparably greater than mine, both in virtue of the knowledge and power that accompany it and make it more firm and efficacious, and also in virtue of its object, in that it ranges over a greater number of items, nevertheless it does not seem any greater than mine when considered as will in the essential and strict sense. This is because the will simply consists in our ability to do or not do something (that is, to affirm or deny, to pursue or avoid); or rather, it consists simply in the fact that when the intellect puts something forward for affirmation or denial or for pursuit or avoidance, our inclinations are such that we do not feel we are determined by any external force. In order to be free, there is no need for me to be inclined both ways; on the contrary, the more I incline in one direction - either because I clearly understand that reasons of truth and goodness point that way, or because of a divinely produced disposition of my inmost thoughts - the freer is my choice. Neither divine grace nor natural knowledge ever diminishes freedom; on the contrary, they increase and strengthen it. But the indifference I feel when there is no reason pushing me in one direction rather than another is the lowest grade of freedom; it is evidence not of any perfection of freedom, but rather of a defect in knowledge or a kind of negation. For if I always saw clearly what was true and good, I should never have to deliberate about the right judgement or choice; in that case, although I should be wholly free, it would be impossible for me ever to be in a state of indifference.
Desc.: DV2 MFP Med4 ap. 58 p. 40
      From these considerations I perceive that the power of willing which I received from God is not, when considered in itself, the cause of my mistakes; for it is both extremely ample and also perfect of its kind. Nor is my power of understanding to blame; for since my understanding comes from God, everything that I understand I undoubtedly understand correctly, and any error here is impossible. So what then is the source of my mistakes? It must be simply this: the scope of the will is wider than that of the intellect; but instead of restricting it within the same limits, I extend its use to matters which I do not understand. Since the will is indifferent in such cases, it easily turns aside from what is true and good, and this is the source of my error and sin.
Desc.: DV2 MFP Med4 ap. 58 p. 41
      For example, during these past few days I have been asking whether anything in the world exists, and I have realized that from the very fact of my raising this question it follows quite evidently that I exist. I could not but judge that something which I understood so clearly was true; but this was not because I was compelled so to judge by any external force, but because a great light in the intellect was followed by a great inclination in the will, and thus the spontaneity and freedom of my belief was all the greater in proportion to my lack of indifference. But now, besides the knowledge that I exist, in so far as I am a thinking thing, an idea of corporeal nature comes into my mind; and I happen to be in doubt as to whether the thinking nature which is in me, or rather which I am, is distinct from this corporeal nature or identical with it. I am making the further supposition that my intellect has not yet come upon any persuasive reason in favour of one alternative rather than the other. This obviously implies that I am indifferent as to whether I should assert or deny either alternative, or indeed refrain from making any judgement on the matter.
Desc.: DV2 MFP Med4 ap. 59 p. 41
      What is more, this indifference does not merely apply to cases where the intellect is wholly ignorant, but extends in general to every case where the intellect does not have sufficiently clear knowledge at the time when the will deliberates. For although probable conjectures may pull me in one direction, the mere knowledge that they are simply conjectures, and not certain and indubitable reasons, is itself quite enough to push my assent the other way. My experience in the last few days confirms this: the mere fact that I found that all my previous beliefs were in some sense open to doubt was enough to turn my absolutely confident belief in their truth into the supposition that they were wholly false.
Desc.: DV2 MFP Med4 ap. 59 p. 41
      If, however, I simply refrain from making a judgement in cases where I do not perceive the truth with sufficient clarity and distinctness, then it is clear that I am behaving correctly and avoiding error. But if in such cases I either affirm or deny, then I am not using my free will correctly. If I go for the alternative which is false, then obviously I shall be in error; if I take the other side, then it is by pure chance that I arrive at the truth, and I shall still be at fault since it is clear by the natural light that the perception of the intellect should always precede the determination of the will. In this incorrect use of free will may be found the privation which constitutes the essence of error. The privation, I say, lies in the operation of the will in so far as it proceeds from me, but not in the faculty of will which I received from God, nor even in its operation, in so far as it depends on him.
Desc.: DV2 MFP Med4 ap. 60 p. 42
      And I have no cause for complaint on the grounds that the power of understanding or the natural light which God gave me is no greater than it is; for it is in the nature of a finite intellect to lack understanding of many things, and it is in the nature of a created intellect to be finite. Indeed, I have reason to give thanks to him who has never owed me anything for the great bounty that he has shown me, rather than thinking myself deprived or robbed of any gifts he did not bestow.
†1
Desc.: DV2 MFP Med4 ap. 60 p. 42
      Nor do I have any cause for complaint on the grounds that God gave me a will which extends more widely than my intellect. For since the will consists simply of one thing which is, as it were, indivisible, it seems that its nature rules out the possibility of anything being taken away from it. And surely, the more widely my will extends, then the greater thanks I owe to him who gave it to me.
Desc.: DV2 MFP Med4 ap. 60 p. 42
      Finally, I must not complain that the forming of those acts of will or judgements in which I go wrong happens with God's concurrence. For in so far as these acts depend on God, they are wholly true and good; and my ability to perform them means that there is in a sense more perfection in me than would be the case if I lacked this ability. As for the privation involved - which is all that the essential definition of falsity and wrong consists in - this does not in any way require the concurrence of God, since it is not a thing; indeed, when it is referred to God as its cause, it should be called not a privation but simply a negation.
†2 For it is surely no imperfection in God that he has given me the freedom to assent or not to assent in those cases where he did not endow my intellect with a clear and distinct perception; but it is undoubtedly an imperfection in me to misuse that freedom and make judgements about matters which I do not fully understand. I can see, however, that God could easily have brought it about that without losing my freedom, and despite the limitations in my knowledge, I should nonetheless never make a mistake. He could, for example, have endowed my intellect with a clear and distinct perception of everything about which I was ever likely to deliberate; or he could simply have impressed it unforgettably on my memory that I should never make a judgement about anything which I did not clearly and distinctly understand. Had God made me this way, then I can easily understand that, considered as a totality,†3 I would have been more perfect than I am now. But I cannot therefore deny that there may in some way be more perfection in the universe as a whole because some of its parts are not immune from error, while others are immune, than there would be if all the parts were exactly alike. And I have no right to complain that the role God wished me to undertake in the world is not the principal one or the most perfect of all.
Desc.: DV2 MFP Med4 ap. 61 p. 43
      What is more, even if I have no power to avoid error in the first way just mentioned, which requires a clear perception of everything I have to deliberate on, I can avoid error in the second way, which depends merely on my remembering to withhold judgement on any occasion when the truth of the matter is not clear. Admittedly, I am aware of a certain weakness in me, in that I am unable to keep my attention fixed on one and the same item of knowledge at all times; but by attentive and repeated meditation I am nevertheless able to make myself remember it as often as the need arises, and thus get into the habit of avoiding error.
Desc.: DV2 MFP Med4 ap. 62 p. 43
      It is here that man's greatest and most important perfection is to be found, and I therefore think that today's meditation, involving an investigation into the cause of error and falsity, has been very profitable. The cause of error must surely be the one I have explained; for if, whenever I have to make a judgement, I restrain my will so that it extends to what the intellect clearly and distinctly reveals, and no further, then it is quite impossible for me to go wrong. This is because every clear and distinct perception is undoubtedly something,
†1 and hence cannot come from nothing, but must necessarily have God for its author. Its author, I say, is God, who is supremely perfect, and who cannot be a deceiver on pain of contradiction; hence the perception is undoubtedly true. So today I have learned not only what precautions to take to avoid ever going wrong, but also what to do to arrive at the truth. For I shall unquestionably reach the truth, if only I give sufficient attention to all the things which I perfectly understand, and separate these from all the other cases where my apprehension is more confused and obscure. And this is just what I shall take good care to do from now on.


Fifth Meditation

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Desc.: DV2 MFP Med5 ap. 63 p. 44
FIFTH MEDITATION

The essence of material things, and the existence of God
considered a second time

There are many matters which remain to be investigated concerning the attributes of God and the nature of myself, or my mind; and perhaps I shall take these up at another time. But now that I have seen what to do and what to avoid in order to reach the truth, the most pressing task seems to be to try to escape from the doubts into which I fell a few days ago, and see whether any certainty can be achieved regarding material objects.
Desc.: DV2 MFP Med5 ap. 63 p. 44
      But before I inquire whether any such things exist outside me, I must consider the ideas of these things, in so far as they exist in my thought, and see which of them are distinct, and which confused.
Desc.: DV2 MFP Med5 ap. 63 p. 44
      Quantity, for example, or 'continuous' quantity as the philosophers commonly call it, is something I distinctly imagine. That is, I distinctly imagine the extension of the quantity (or rather of the thing which is quantified) in length, breadth and depth. I also enumerate various parts of the thing, and to these parts I assign various sizes, shapes, positions and local motions; and to the motions I assign various durations.
Desc.: DV2 MFP Med5 ap. 63 p. 44
      Not only are all these things very well known and transparent to me when regarded in this general way, but in addition there are countless particular features regarding shape, number, motion and so on, which I perceive when I give them my attention. And the truth of these matters is so open and so much in harmony with my nature, that on first discovering them it seems that I am not so much learning something new as remembering what I knew before; or it seems like noticing for the first time things which were long present within me although I had never turned my mental gaze on them before.
Desc.: DV2 MFP Med5 ap. 64 p. 44
      But I think the most important consideration at this point is that I find within me countless ideas of things which even though they may not exist anywhere outside me still cannot be called nothing; for although in a sense they can be thought of at will, they are not my invention but have their own true and immutable natures. When, for example, I imagine a triangle, even if perhaps no such figure exists, or has ever existed, anywhere outside my thought, there is still a determinate nature, or essence, or form of the triangle which is immutable and eternal, and not invented by me or dependent on my mind. This is clear from the fact that various properties can be demonstrated of the triangle, for example that its three angles equal two right angles, that its greatest side subtends its greatest angle, and the like; and since these properties are ones which I now clearly recognize whether I want to or not, even if I never thought of them at all when I previously imagined the triangle, it follows that they cannot have been invented by me.
Desc.: DV2 MFP Med5 ap. 64 p. 45
      It would be beside the point for me to say that since I have from time to time seen bodies of triangular shape, the idea of the triangle may have come to me from external things by means of the sense organs. For I can think up countless other shapes which there can be no suspicion of my ever having encountered through the senses, and yet I can demonstrate various properties of these shapes, just as I can with the triangle. All these properties are certainly true, since I am clearly aware of them, and therefore they are something, and not merely nothing; for it is obvious that whatever is true is something; and I have already amply demonstrated that everything of which I am clearly aware is true. And even if I had not demonstrated this, the nature of my mind is such that I cannot but assent to these things, at least so long as I clearly perceive them. I also remember that even before, when I was completely preoccupied with the objects of the senses, I always held that the most certain truths of all were the kind which I recognized clearly in connection with shapes, or numbers or other items relating to arithmetic or geometry, or in general to pure and abstract mathematics.
Desc.: DV2 MFP Med5 ap. 65 p. 45
      But if the mere fact that I can produce from my thought the idea of something entails that everything which I clearly and distinctly perceive to belong to that thing really does belong to it, is not this a possible basis for another argument to prove the existence of God? Certainly, the idea of God, or a supremely perfect being, is one which I find within me just as surely as the idea of any shape or number. And my understanding that it belongs to his nature that he always exists
†1 is no less clear and distinct than is the case when I prove of any shape or number that some property belongs to its nature. Hence, even if it turned out that not everything on which I have meditated in these past days is true, I ought still to regard the existence of God as having at least the same level of certainty as I have hitherto attributed to the truths of mathematics.†2
Desc.: DV2 MFP Med5 ap. 66 p. 45
      At first sight, however, this is not transparently clear, but has some appearance of being a sophism. Since I have been accustomed to distinguish between existence and essence in everything else, I find it easy to persuade myself that existence can also be separated from the essence of God, and hence that God can be thought of as not existing. But when I concentrate more carefully, it is quite evident that existence can no more be separated from the essence of God than the fact that its three angles equal two right angles can be separated from the essence of a triangle, or than the idea of a mountain can be separated from the idea of a valley. Hence it is just as much of a contradiction to think of God (that is, a supremely perfect being) lacking existence (that is, lacking a perfection), as it is to think of a mountain without a valley.
Desc.: DV2 MFP Med5 ap. 66 p. 46
      However, even granted that I cannot think of God except as existing, just as I cannot think of a mountain without a valley, it certainly does not follow from the fact that I think of a mountain with a valley that there is any mountain in the world; and similarly, it does not seem to follow from the fact that I think of God as existing that he does exist. For my thought does not impose any necessity on things; and just as I may imagine a winged horse even though no horse has wings, so I may be able to attach existence to God even though no God exists.
Desc.: DV2 MFP Med5 ap. 66 p. 46
      But there is a sophism concealed here. From the fact that I cannot think of a mountain without a valley, it does not follow that a mountain and valley exist anywhere, but simply that a mountain and a valley, whether they exist or not, are mutually inseparable. But from the fact that I cannot think of God except as existing, it follows that existence is inseparable from God, and hence that he really exists. It is not that my thought makes it so, or imposes any necessity on any thing; on the contrary, it is the necessity of the thing itself, namely the existence of God, which determines my thinking in this respect. For I am not free to think of God without existence (that is, a supremely perfect being without a supreme perfection) as I am free to imagine a horse with or without wings.
Desc.: DV2 MFP Med5 ap. 67 p. 46
      And it must not be objected at this point that while it is indeed necessary for me to suppose God exists, once I have made the supposition that he has all perfections (since existence is one of the perfections), nevertheless the original supposition was not necessary. Similarly, the objection would run, it is not necessary for me to think that all quadrilaterals can be inscribed in a circle; but given this supposition, it will be necessary for me to admit that a rhombus can be inscribed in a circle - which is patently false. Now admittedly, it is not necessary that I ever light upon any thought of God; but whenever I do choose to think of the first and supreme being, and bring forth the idea of God from the treasure house of my mind as it were, it is necessary that I attribute all perfections to him, even if I do not at that time enumerate them or attend to them individually. And this necessity plainly guarantees that, when I later realize that existence is a perfection, I am correct in inferring that the first and supreme being exists. In the same way, it is not necessary for me ever to imagine a triangle; but whenever I do wish to consider a rectilinear figure having just three angles, it is necessary that I attribute to it the properties which license the inference that its three angles equal no more than two right angles, even if I do not notice this at the time. By contrast, when I examine what figures can be inscribed in a circle, it is in no way necessary for me to think that this class includes all quadrilaterals. Indeed, I cannot even imagine this, so long as I an willing to admit only what I clearly and distinctly understand. So there is a great difference between this kind of false supposition and the true ideas which are innate in me, of which the first and most important is the idea of God. There are many ways in which I understand that this idea is not something fictitious which is dependent on my thought, but is an image of a true and immutable nature. First of all, there is the fact that, apart from God, there is nothing else of which I am capable of thinking such that existence belongs
†1 to its essence. Second, I cannot understand how there could be two or more Gods of this kind; and after supposing that one God exists, I plainly see that it is necessary that he has existed from eternity and will abide for eternity. And finally, I perceive many other attributes of God, none of which I can remove or alter.
Desc.: DV2 MFP Med5 ap. 68 p. 47
      But whatever method of proof I use, I am always brought back to the fact that it is only what I clearly and distinctly perceive that completely convinces me. Some of the things I clearly and distinctly perceive are obvious to everyone, while others are discovered only by those who look more closely and investigate more carefully; but once they have been discovered, the latter are judged to be just as certain as the former. In the case of a right-angled triangle, for example, the fact that the square on the hypotenuse is equal to the square on the other two sides is not so readily apparent as the fact that the hypotenuse subtends the largest angle; but once one has seen it, one believes it just as strongly. But as regards God, if I were not overwhelmed by preconceived opinions, and if the images of things perceived by the senses did not besiege my thought on every side, I would certainly acknowledge him sooner and more easily than anything else. For what is more self-evident than the fact that the supreme being exists, or that God, to whose essence alone existence belongs,
†2 exists?
Desc.: DV2 MFP Med5 ap. 69 p. 48
      Although it needed close attention for me to perceive this, I am now just as certain of it as I am of everything else which appears most certain. And what is more, I see that the certainty of all other things depends on this, so that without it nothing can ever be perfectly known.
Desc.: DV2 MFP Med5 ap. 69 p. 48
      Admittedly my nature is such that so long as
†1 I perceive something very clearly and distinctly I cannot but believe it to be true. But my nature is also such that I cannot fix my mental vision continually on the same thing, so as to keep perceiving it clearly; and often the memory of a previously made judgement may come back, when I am no longer attending to the arguments which led me to make it. And so other arguments can now occur to me which might easily undermine my opinion, if I were unaware of God; and I should thus never have true and certain knowledge about anything, but only shifting and changeable opinions. For example, when I consider the nature of a triangle, it appears most evident to me, steeped as I am in the principles of geometry, that its three angles are equal to two right angles; and so long as I attend to the proof, I cannot but believe this to be true. But as soon as I turn my mind's eye away from the proof, then in spite of still remembering that I perceived it very clearly, I can easily fall into doubt about its truth, if I am unaware of God. For I can convince myself that I have a natural disposition to go wrong from time to time in matters which I think I perceive as evidently as can be. This will seem even more likely when I remember that there have been frequent cases where I have regarded things as true and certain, but have later been led by other arguments to judge them to be false.
Desc.: DV2 MFP Med5 ap. 70 p. 48
      Now, however, I have perceived that God exists, and at the same time I have understood that everything else depends on him, and that he is no deceiver; and I have drawn the conclusion that everything which I clearly and distinctly perceive is of necessity true. Accordingly, even if I am no longer attending to the arguments which led me to judge that this is true, as long as I remember that I clearly and distinctly perceived it, there are no counter-arguments which can be adduced to make me doubt it, but on the contrary I have true and certain knowledge of it. And I have knowledge not just of this matter, but of all matters which I remember ever having demonstrated, in geometry and so on. For what objections can now be raised?
†2 That the way I am made makes me prone to frequent error? But I now know that I am incapable of error in those cases where my understanding is transparently clear. Or can it be objected that I have in the past regarded as true and certain many things which I afterwards recognized to be false? But none of these were things which I clearly and distinctly perceived: I was ignorant of this rule for establishing the truth, and believed these things for other reasons which I later discovered to be less reliable. So what is left to say? Can one raise the objection I put to myself a while ago, that I may be dreaming, or that everything which I am now thinking has as little truth as what comes to the mind of one who is asleep? Yet even this does not change anything. For even though I might be dreaming, if there is anything which is evident to my intellect, then it is wholly true.

Desc.: DV2 MFP Med5 ap. 71 p. 49
      Thus I see plainly that the certainty and truth of all knowledge depends uniquely on my awareness of the true God, to such an extent that I was incapable of perfect knowledge about anything else until I became aware of him. And now it is possible for me to achieve full and certain knowledge of countless matters, both concerning God himself and other things whose nature is intellectual, and also concerning the whole of that corporeal nature which is the subject-matter of pure mathematics.
†1


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Sixth Meditation
Desc.: DV2 MFP Med6 ap. 71 p. 50
SIXTH MEDITATION

The existence of material things, and the
real distinction between mind and body†1

It remains for me to examine whether material things exist. And at least I now know they are capable of existing, in so far as they are the subject-matter of pure mathematics, since I perceive them clearly and distinctly. For there is no doubt that God is capable of creating everything that I am capable of perceiving in this manner; and I have never judged that something could not be made by him except on the grounds that there would be a contradiction in my perceiving it distinctly. The conclusion that material things exist is also suggested by the faculty of imagination, which I am aware of using when I turn my mind to material things. For when I give more attentive consideration to what imagination is, it seems to be nothing else but an application of the cognitive faculty to a body which is intimately present to it, and which therefore exists.
Desc.: DV2 MFP Med6 ap. 72 p. 50
      To make this clear, I will first examine the difference between imagination and pure understanding. When I imagine a triangle, for example, I do not merely understand that it is a figure bounded by three lines, but at the same time I also see the three lines with my mind's eye as if they were present before me; and this is what I call imagining. But if I want to think of a chiliagon, although I understand that it is a figure consisting of a thousand sides just as well as I understand the triangle to be a three-sided figure, I do not in the same way imagine the thousand sides or see them as if they were present before me. It is true that since I am in the habit of imagining something whenever I think of a corporeal thing, I may construct in my mind a confused representation of some figure; but it is clear that this is not a chiliagon. For it differs in no way from the representation I should form if I were thinking of a myriagon, or any figure with very many sides. Moreover, such a representation is useless for recognizing the properties which distinguish a chiliagon from other polygons. But suppose I am dealing with a pentagon: I can of course understand the figure of a pentagon, just as I can the figure of a chiliagon, without the help of the imagination; but I can also imagine a pentagon, by applying my mind's eye to its five sides and the area contained within them. And in doing this I notice quite clearly that imagination requires a peculiar effort of mind which is not required for understanding; this additional effort of mind clearly shows the difference between imagination and pure understanding.
Desc.: DV2 MFP Med6 ap. 73 p. 51
      Besides this, I consider that this power of imagining which is in me, differing as it does from the power of understanding, is not a necessary constituent of my own essence, that is, of the essence of my mind. For if I lacked it, I should undoubtedly remain the same individual as I now am; from which it seems to follow that it depends on something distinct from myself. And I can easily understand that, if there does exist some body to which the mind is so joined that it can apply itself to contemplate it, as it were, whenever it pleases, then it may possibly be this very body that enables me to imagine corporeal things. So the difference between this mode of thinking and pure understanding may simply be this: when the mind understands, it in some way turns towards itself and inspects one of the ideas which are within it; but when it imagines, it turns towards the body and looks at something in the body which conforms to an idea understood by the mind or perceived by the senses. I can, as I say, easily understand that this is how imagination comes about, if the body exists; and since there is no other equally suitable way of explaining imagination that comes to mind, I can make a probable conjecture that the body exists. But this is only a probability; and despite a careful and comprehensive investigation, I do not yet see how the distinct idea of corporeal nature which I find in my imagination can provide any basis for a necessary inference that some body exists.
Desc.: DV2 MFP Med6 ap. 74 p. 51
      But besides that corporeal nature which is the subject-matter of pure mathematics, there is much else that I habitually imagine, such as colours, sounds, tastes, pain and so on - though not so distinctly. Now I perceive these things much better by means of the senses, which is how, with the assistance of memory, they appear to have reached the imagination. So in order to deal with them more fully, I must pay equal attention to the senses, and see whether the things which are perceived by means of that mode of thinking which I call 'sensory perception' provide me with any sure argument for the existence of corporeal things.
Desc.: DV2 MFP Med6 ap. 74 p. 51
      To begin with, I will go back over all the things which I previously took to be perceived by the senses, and reckoned to be true; and I will go over my reasons for thinking this. Next, I will set out my reasons for subsequently calling these things into doubt. And finally I will consider what I should now believe about them.
Desc.: DV2 MFP Med6 ap. 74 p. 51
      First of all then, I perceived by my senses that I had a head, hands, feet and other limbs making up the body which I regarded as part of myself, or perhaps even as my whole self. I also perceived by my senses that this body was situated among many other bodies which could affect it in various favourable or unfavourable ways; and I gauged the favourable effects by a sensation of pleasure, and the unfavourable ones by a sensation of pain. In addition to pain and pleasure, I also had sensations within me of hunger, thirst, and other such appetites, and also of physical propensities towards cheerfulness, sadness, anger and similar emotions. And outside me, besides the extension, shapes and movements of bodies, I also had sensations of their hardness and heat, and of the other tactile qualities. In addition, I had sensations of light, colours, smells, tastes and sounds, the variety of which enabled me to distinguish the sky, the earth, the seas, and all other bodies, one from another. Considering the ideas of all these qualities which presented themselves to my thought, although the ideas were, strictly speaking, the only immediate objects of my sensory awareness, it was not unreasonable for me to think that the items which I was perceiving through the senses were things quite distinct from my thought, namely bodies which produced the ideas. For my experience was that these ideas came to me quite without my consent, so that I could not have sensory awareness of any object, even if I wanted to, unless it was present to my sense organs; and I could not avoid having sensory awareness of it when it was present. And since the ideas perceived by the senses were much more lively and vivid and even, in their own way, more distinct than any of those which I deliberately formed through meditating or which I found impressed on my memory, it seemed impossible that they should have come from within me; so the only alternative was that they came from other things. Since the sole source of my knowledge of these things was the ideas themselves, the supposition that the things resembled the ideas was bound to occur to me. In addition, I remembered that the use of my senses had come first, while the use of my reason came only later; and I saw that the ideas which I formed myself were less vivid than those which I perceived with the senses and were, for the most part, made up of elements of sensory ideas. In this way I easily convinced myself that I had nothing at all in the intellect which I had not previously had in sensation.
†1 As for the body which by some special right I called 'mine', my belief that this body, more than any other, belonged to me had some justification. For I could never be separated from it, as I could from other bodies; and I felt all my appetites and emotions in, and on account of, this body; and finally, I was aware of pain and pleasurable ticklings in parts of this body, but not in other bodies external to it. But why should that curious sensation of pain give rise to a particular distress of mind; or why should a certain kind of delight follow on a tickling sensation? Again, why should that curious tugging in the stomach which I call hunger tell me that I should eat, or a dryness of the throat tell me to drink, and so on? I was not able to give any explanation of all this, except that nature taught me so. For there is absolutely no connection (at least that I can understand) between the tugging sensation and the decision to take food, or between the sensation of something causing pain and the mental apprehension of distress that arises from that sensation. These and other judgements that I made concerning sensory objects, I was apparently taught to make by nature; for I had already made up my mind that this was how things were, before working out any arguments to prove it.
Desc.: DV2 MFP Med6 ap. 76 p. 53
      Later on, however, I had many experiences which gradually undermined all the faith I had had in the senses. Sometimes towers which had looked round from a distance appeared square from close up; and enormous statues standing on their pediments did not seem large when observed from the ground. In these and countless other such cases, I found that the judgements of the external senses were mistaken. And this applied not just to the external senses but to the internal senses as well. For what can be more internal than pain? And yet I had heard that those who had had a leg or an arm amputated sometimes still seemed to feel pain intermittently in the missing part of the body. So even in my own case it was apparently not quite certain that a particular limb was hurting, even if I felt pain in it. To these reasons for doubting, I recently added two very general ones.
†1 The first was that every sensory experience I have ever thought I was having while awake I can also think of myself as sometimes having while asleep; and since I do not believe that what I seem to perceive in sleep comes from things located outside me, I did not see why I should be any more inclined to believe this of what I think I perceive while awake. The second reason for doubt was that since I did not know the author of my being (or at least was pretending not to), I saw nothing to rule out the possibility that my natural constitution made me prone to error even in matters which seemed to me most true. As for the reasons for my previous confident belief in the truth of the things perceived by the senses, I had no trouble in refuting them. For since I apparently had natural impulses towards many things which reason told me to avoid, I reckoned that a great deal of confidence should not be placed in what I was taught by nature. And despite the fact that the perceptions of the senses were not dependent on my will, I did not think that I should on that account infer that they proceeded from things distinct from myself, since I might perhaps have a faculty not yet known to me which produced them.†1
Desc.: DV2 MFP Med6 ap. 77 p. 54
      But now, when I am beginning to achieve a better knowledge of myself and the author of my being, although I do not think I should heedlessly accept everything I seem to have acquired from the senses, neither do I think that everything should be called into doubt.
Desc.: DV2 MFP Med6 ap. 78 p. 54
      First, I know that everything which I clearly and distinctly understand is capable of being created by God so as to correspond exactly with my understanding of it. Hence the fact that I can clearly and distinctly understand one thing apart from another is enough to make me certain that the two things are distinct, since they are capable of being separated, at least by God. The question of what kind of power is required to bring about such a separation does not affect the judgement that the two things are distinct. Thus, simply by knowing that I exist and seeing at the same time that absolutely nothing else belongs to my nature or essence except that I am a thinking thing, I can infer correctly that my essence consists solely in the fact that I am a thinking thing. It is true that I may have (or, to anticipate, that I certainly have) a body that is very closely joined to me. But nevertheless, on the one hand I have a clear and distinct idea of myself, in so far as I am simply a thinking, non-extended thing; and on the other hand I have a distinct idea of body,
†2 in so far as this is simply an extended, non-thinking thing. And accordingly, it is certain that I †3 am really distinct from my body, and can exist without it.
Desc.: DV2 MFP Med6 ap. 78 p. 54
      Besides this, I find in myself faculties for certain special modes of thinking,
†4 namely imagination and sensory perception. Now I can clearly and distinctly understand myself as a whole without these faculties; but I cannot, conversely, understand these faculties without me, that is, without an intellectual substance to inhere in. This is because there is an intellectual act included in their essential definition; and hence I perceive that the distinction between them and myself corresponds to the distinction between the modes of a thing and the thing itself.†5 Of course I also recognize that there are other faculties (like those of changing position, of taking on various shapes, and so on) which, like sensory perception and imagination, cannot be understood apart from some substance for them to inhere in, and hence cannot exist without it. But it is clear that these other faculties, if they exist, must be in a corporeal or extended substance and not an intellectual one; for the clear and distinct conception of them includes extension, but does not include any intellectual act whatsoever. Now there is in me a passive faculty of sensory perception, that is, a faculty for receiving and recognizing the ideas of sensible objects; but I could not make use of it unless there was also an active faculty, either in me or in something else, which produced or brought about these ideas. But this faculty cannot be in me, since clearly it presupposes no intellectual act on my part,†1 and the ideas in question are produced without my cooperation and often even against my will. So the only alternative is that it is in another substance distinct from me - a substance which contains either formally or eminently all the reality which exists objectively †2 in the ideas produced by this faculty (as I have just noted). This substance is either a body, that is, a corporeal nature, in which case it will contain formally {and in fact} everything which is to be found objectively {or representatively} in the ideas; or else it is God, or some creature more noble than a body, in which case it will contain eminently whatever is to be found in the ideas. But since God is not a deceiver, it is quite clear that he does not transmit the ideas to me either directly from himself, or indirectly, via some creature which contains the objective reality of the ideas not formally but only eminently. For God has given me no faculty at all for recognizing any such source for these ideas; on the contrary, he has given me a great propensity to believe that they are produced by corporeal things. So I do not see how God could be understood to be anything but a deceiver if the ideas were transmitted from a source other than corporeal things. It follows that corporeal things exist. They may not all exist in a way that exactly corresponds with my sensory grasp of them, for in many cases the grasp of the senses is very obscure and confused. But at least they possess all the properties which I clearly and distinctly understand, that is, all those which, viewed in general terms, are comprised within the subject-matter of pure mathematics.
Desc.: DV2 MFP Med6 ap. 80 p. 55
      What of the other aspects of corporeal things which are either particular (for example that the sun is of such and such a size or shape), or less clearly understood, such as light or sound or pain, and so on? Despite the high degree of doubt and uncertainty involved here, the very fact that God is not a deceiver, and the consequent impossibility of there being any falsity in my opinions which cannot be corrected by some other faculty supplied by God, offers me a sure hope that I can attain the truth even in these matters. Indeed, there is no doubt that everything that I am taught by nature contains some truth. For if nature is considered in its general aspect, then I understand by the term nothing other than God himself, or the ordered system of created things established by God. And by my own nature in particular I understand nothing other than the totality of things bestowed on me by God.
Desc.: DV2 MFP Med6 ap. 80 p. 56
      There is nothing that my own nature teaches me more vividly than that I have a body, and that when I feel pain there is something wrong with the body, and that when I am hungry or thirsty the body needs food and drink, and so on. So I should not doubt that there is some truth in this.
Desc.: DV2 MFP Med6 ap. 81 p. 56
      Nature also teaches me, by these sensations of pain, hunger, thirst and so on, that I am not merely present in my body as a sailor is present in a ship,
†1 but that I am very closely joined and, as it were, intermingled with it, so that I and the body form a unit. If this were not so, I, who am nothing but a thinking thing, would not feel pain when the body was hurt, but would perceive the damage purely by the intellect, just as a sailor perceives by sight if anything in his ship is broken. Similarly, when the body needed food or drink, I should have an explicit understanding of the fact, instead of having confused sensations of hunger and thirst. For these sensations of hunger, thirst, pain and so on are nothing but confused modes of thinking which arise from the union and, as it were, intermingling of the mind with the body.

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Desc.: DV2 MFP Med6 ap. 81 p. 56
      I am also taught by nature that various other bodies exist in the vicinity of my body, and that some of these are to be sought out and others avoided. And from the fact that I perceive by my senses a great variety of colours, sounds, smells and tastes, as well as differences in heat, hardness and the like, I am correct in inferring that the bodies which are the source of these various sensory perceptions possess differences corresponding to them, though perhaps not resembling them. Also, the fact that some of the perceptions are agreeable to me while others are disagreeable makes it quite certain that my body, or rather my whole self, in so far as I am a combination of body and mind, can be affected by the various beneficial or harmful bodies which surround it.
Desc.: DV2 MFP Med6 ap. 82 p. 56
      There are, however, many other things which I may appear to have been taught by nature, but which in reality I acquired not from nature but from a habit of making ill-considered judgements; and it is therefore quite possible that these are false. Cases in point are the belief that any space in which nothing is occurring to stimulate my senses must be empty; or that the heat in a body is something exactly resembling the idea of heat which is in me; or that when a body is white or green, the selfsame whiteness or greenness which I perceive through my senses is present in the body; or that in a body which is bitter or sweet there is the selfsame taste which I experience, and so on; or, finally, that stars and towers and other distant bodies have the same size and shape which they present to my senses, and other examples of this kind. But to make sure that my perceptions in this matter are sufficiently distinct, I must more accurately define exactly what I mean when I say that I am taught something by nature. In this context I am taking nature to be something more limited than the totality of things bestowed on me by God. For this includes many things that belong to the mind alone - for example my perception that what is done cannot be undone, and all other things that are known by the natural light;
†1 but at this stage I am not speaking of these matters. It also includes much that relates to the body alone, like the tendency to move in a downward direction, and so on; but I am not speaking of these matters either. My sole concern here is with what God has bestowed on me as a combination of mind and body. My nature, then, in this limited sense, does indeed teach me to avoid what induces a feeling of pain and to seek out what induces feelings of pleasure, and so on. But it does not appear to teach us to draw any conclusions from these sensory perceptions about things located outside us without waiting until the intellect has examined †2 the matter. For knowledge of the truth about such things seems to belong to the mind alone, not to the combination of mind and body. Hence, although a star has no greater effect on my eye than the flame of a small light, that does not mean that there is any real or positive inclination in me to believe that the star is no bigger than the light; I have simply made this judgement from childhood onwards without any rational basis. Similarly, although I feel heat when I go near a fire and feel pain when I go too near, there is no convincing argument for supposing that there is something in the fire which resembles the heat, any more than for supposing that there is something which resembles the pain. There is simply reason to suppose that there is something in the fire, whatever it may eventually turn out to be, which produces in us the feelings of heat or pain. And likewise, even though there is nothing in any given space that stimulates the senses, it does not follow that there is no body there. In these cases and many others I see that I have been in the habit of misusing the order of nature. For the proper purpose of the sensory perceptions given me by nature is simply to inform the mind of what is beneficial or harmful for the composite of which the mind is a part; and to this extent they are sufficiently clear and distinct. But I misuse them by treating them as reliable touchstones for immediate judgements about the essential nature of the bodies located outside us; yet this is an area where they provide only very obscure information.
Desc.: DV2 MFP Med6 ap. 83 p. 58
      I have already looked in sufficient detail at how, notwithstanding the goodness of God, it may happen that my judgements are false. But a further problem now comes to mind regarding those very things which nature presents to me as objects which I should seek out or avoid, and also regarding the internal sensations, where I seem to have detected errors
†1 - e.g. when someone is tricked by the pleasant taste of some food into eating the poison concealed inside it. Yet in this case, what the man's nature urges him to go for is simply what is responsible for the pleasant taste, and not the poison, which his nature knows nothing about. The only inference that can be drawn from this is that his nature is not omniscient. And this is not surprising, since man is a limited thing, and so it is only fitting that his perfection should be limited.
Desc.: DV2 MFP Med6 ap. 84 p. 58
      And yet it is not unusual for us to go wrong even in cases where nature does urge us towards something. Those who are ill, for example, may desire food or drink that will shortly afterwards turn out to be bad for them. Perhaps it may be said that they go wrong because their nature is disordered, but this does not remove the difficulty. A sick man is no less one of God's creatures than a healthy one, and it seems no less a contradiction to suppose that he has received from God a nature which deceives him. Yet a clock constructed with wheels and weights observes all the laws of its nature just as closely when it is badly made and tells the wrong time as when it completely fulfils the wishes of the clockmaker. In the same way, I might consider the body of a man as a kind of machine equipped with and made up of bones, nerves, muscles, veins, blood and skin in such a way that, even if there were no mind in it, it would still perform all the same movements as it now does in those cases where movement is not under the control of the will or, consequently, of the mind.
†2 I can easily see that if such a body suffers from dropsy, for example, and is affected by the dryness of the throat which normally produces in the mind the sensation of thirst, the resulting condition of the nerves and other parts will dispose the body to take a drink, with the result that the disease will be aggravated. Yet this is just as natural as the body's being stimulated by a similar dryness of the throat to take a drink when there is no such illness and the drink is beneficial. Admittedly, when I consider the purpose of the clock, I may say that it is departing from its nature when it does not tell the right time; and similarly when I consider the mechanism of the human body, I may think that, in relation to the movements which normally occur in it, it too is deviating from its nature if the throat is dry at a time when drinking is not beneficial to its continued health. But I am well aware that 'nature' as I have just used it has a very different significance from 'nature' in the other sense. As I have just used it, 'nature' is simply a label which depends on my thought; it is quite extraneous to the things to which it is applied, and depends simply on my comparison between the idea of a sick man and a badly-made clock, and the idea of a healthy man and a well-made clock. But by 'nature' in the other sense I understand something which is really to be found in the things themselves; in this sense, therefore, the term contains something of the truth.
Desc.: DV2 MFP Med6 ap. 85 p. 59
      When we say, then, with respect to the body suffering from dropsy, that it has a disordered nature because it has a dry throat and yet does not need drink, the term 'nature' is here used merely as an extraneous label. However, with respect to the composite, that is, the mind united with this body, what is involved is not a mere label, but a true error of nature, namely that it is thirsty at a time when drink is going to cause it harm. It thus remains to inquire how it is that the goodness of God does not prevent nature, in this sense, from deceiving us.
Desc.: DV2 MFP Med6 ap. 85 p. 59
      The first observation I make at this point is that there is a great difference between the mind and the body, inasmuch as the body is by its very nature always divisible, while the mind is utterly indivisible. For when I consider the mind, or myself in so far as I am merely a thinking thing, I am unable to distinguish any parts within myself; I understand myself to be something quite single and complete. Although the whole mind seems to be united to the whole body, I recognize that if a foot or arm or any other part of the body is cut off, nothing has thereby been taken away from the mind. As for the faculties of willing, of understanding, of sensory perception and so on, these cannot be termed parts of the mind, since it is one and the same mind that wills, and understands and has sensory perceptions. By contrast, there is no corporeal or extended thing that I can think of which in my thought I cannot easily divide into parts; and this very fact makes me understand that it is divisible. This one argument would be enough to show me that the mind is completely different from the body, even if I did not already know as much from other considerations.
Desc.: DV2 MFP Med6 ap. 86 p. 59
      My next observation is that the mind is not immediately affected by all parts of the body, but only by the brain, or perhaps just by one small part of the brain, namely the part which is said to contain the 'common' sense.
†1 Every time this part of the brain is in a given state, it presents the same signals to the mind, even though the other parts of the body may be in a different condition at the time. This is established by countless observations, which there is no need to review here.
Desc.: DV2 MFP Med6 ap. 86 p. 60
      I observe, in addition, that the nature of the body is such that whenever any part of it is moved by another part which is some distance away, it can always be moved in the same fashion by any of the parts which lie in between, even if the more distant part does nothing. For example, in a cord ABCD, if one end D is pulled so that the other end A moves, the exact same movement could have been brought about if one of the intermediate points B or C had been pulled, and D had not moved at all. In similar fashion, when I feel a pain in my foot, physiology tells me that this happens by means of nerves distributed throughout the foot, and that these nerves are like cords which go from the foot right up to the brain. When the nerves are pulled in the foot, they in turn pull on inner parts of the brain to which they are attached, and produce a certain motion in them; and nature has laid it down that this motion should produce in the mind a sensation of pain, as occurring in the foot. But since these nerves, in passing from the foot to the brain, must pass through the calf, the thigh, the lumbar region, the back and the neck, it can happen that, even if it is not the part in the foot but one of the intermediate parts which is being pulled, the same motion will occur in the brain as occurs when the foot is hurt, and so it will necessarily come about that the mind feels the same sensation of pain. And we must suppose the same thing happens with regard to any other sensation.
Desc.: DV2 MFP Med6 ap. 87 p. 60
      My final observation is that any given movement occurring in the part of the brain that immediately affects the mind produces just one corresponding sensation; and hence the best system that could be devised is that it should produce the one sensation which, of all possible sensations, is most especially and most frequently conducive to the preservation of the healthy man. And experience shows that the sensations which nature has given us are all of this kind; and so there is absolutely nothing to be found in them that does not bear witness to the power and goodness of God. For example, when the nerves in the foot are set in motion in a violent and unusual manner, this motion, by way of the spinal cord, reaches the inner parts of the brain, and there gives the mind its signal for having a certain sensation, namely the sensation of a pain as occurring in the foot. This stimulates the mind to do its best to get rid of the cause of the pain, which it takes to be harmful to the foot. It is true that God could have made the nature of man such that this particular motion in the brain indicated something else to the mind; it might, for example, have made the mind aware of the actual motion occurring in the brain, or in the foot, or in any of the intermediate regions; or it might have indicated something else entirely. But there is nothing else which would have been so conducive to the continued well-being of the body. In the same way, when we need drink, there arises a certain dryness in the throat; this sets in motion the nerves of the throat, which in turn move the inner parts of the brain. This motion produces in the mind a sensation of thirst, because the most useful thing for us to know about the whole business is that we need drink in order to stay healthy. And so it is in the other cases.
Desc.: DV2 MFP Med6 ap. 88 p. 61
      It is quite clear from all this that, notwithstanding the immense goodness of God, the nature of man as a combination of mind and body is such that it is bound to mislead him from time to time. For there may be some occurrence, not in the foot but in one of the other areas through which the nerves travel in their route from the foot to the brain, or even in the brain itself; and if this cause produces the same motion which is generally produced by injury to the foot, then pain will be felt as if it were in the foot. This deception of the senses is natural, because a given motion in the brain must always produce the same sensation in the mind; and the origin of the motion in question is much more often going to be something which is hurting the foot, rather than something existing elsewhere. So it is reasonable that this motion should always indicate to the mind a pain in the foot rather than in any other part of the body. Again, dryness of the throat may sometimes arise not, as it normally does, from the fact that a drink is necessary to the health of the body, but from some quite opposite cause, as happens in the case of the man with dropsy. Yet it is much better that it should mislead on this occasion than that it should always mislead when the body is in good health. And the same goes for the other cases.
Desc.: DV2 MFP Med6 ap. 89 p. 61
      This consideration is the greatest help to me, not only for noticing all the errors to which my nature is liable, but also for enabling me to correct or avoid them without difficulty. For I know that in matters regarding the well-being of the body, all my senses report the truth much more frequently than not. Also, I can almost always make use of more than one sense to investigate the same thing; and in addition, I can use both my memory, which connects present experiences with preceding ones, and my intellect, which has by now examined all the causes of error. Accordingly, I should not have any further fears about the falsity of what my senses tell me every day; on the contrary, the exaggerated doubts of the last few days should be dismissed as laughable. This applies especially to the principal reason for doubt, namely my inability to distinguish between being asleep and being awake. For I now notice that there is a vast difference between the two, in that dreams are never linked by memory with all the other actions of life as waking experiences are. If, while I am awake, anyone were suddenly to appear to me and then disappear immediately, as happens in sleep, so that I could not see where he had come from or where he had gone to, it would not be unreasonable for me to judge that he was a ghost, or a vision created in my brain,
†1 rather than a real man. But when I distinctly see where things come from and where and when they come to me, and when I can connect my perceptions of them with the whole of the rest of my life without a break, then I am quite certain that when I encounter these things I am not asleep but awake. And I ought not to have even the slightest doubt of their reality if, after calling upon all the senses as well as my memory and my intellect in order to check them, I receive no conflicting reports from any of these sources. For from the fact that God is not a deceiver it follows that in cases like these I am completely free from error. But since the pressure of things to be done does not always allow us to stop and make such a meticulous check, it must be admitted that in this human life we are often liable to make mistakes about particular things, and we must acknowledge the weakness of our nature.


Objections and Replies
Translator's preface
Desc.: DV2 OBR Trans. Pref. p. 63
Objections and Replies

Translator's preface

As soon as he had completed the Meditations, Descartes began to circulate them among his friends, asking for comments and criticisms. He also sent the manuscript to Friar Marin Mersenne (1588-1648), his friend and principal correspondent, asking him to obtain further criticisms. He wrote to Mersenne in a letter of 28 January 1641: 'I shall be glad if people make me as many objections as possible - and the strongest ones they can find. For I hope that in consequence the truth will stand out all the better.' The resulting six sets of Objections (the first set collected by Descartes himself, the remainder by Mersenne) were published in Latin, together with Descartes' Replies, in the same volume as the first (1641) edition of the Meditations. The second edition of the Meditations (1642) contained in addition the Seventh Set of Objections together with Descartes' Replies, and also the Letter to Dinet (all in Latin). The terms 'Objections' and 'Replies' were suggested by Descartes himself, who asked that his own comments should be called 'Replies' rather than 'Solutions' in order to leave the reader to judge whether his replies contained solutions to the difficulties offered (letter to Mersenne, 18 March 1641).
Desc.: DV2 OBR Trans. Pref. p. 63
      The volume containing the French translation of the Meditations (by de Luynes), which appeared in 1647, also contained a French version of the first six sets of Objections and Replies by Descartes' disciple Claude Clerselier (1614-84). Although it is frequently said that Descartes saw and approved of this translation,
†1 there is, as with the Meditations proper, no good case for preferring the French version to the original Latin which Descartes himself composed.†2 It should also be remembered that all the objectors wrote in Latin, and had before them only the Latin text of the Meditations when they wrote. The present translation is therefore based entirely on the original Latin.

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Desc.: DV2 OBR Trans. Pref. p. 64
      The First Set of Objections is by a Catholic theologian from Holland, Johannes Caterus (Johan de Kater), who was priest in charge of the church of St Laurens at Alkmaar from 1632-56. Caterus had been asked to comment on the Meditations by two fellow priests who were friends of Descartes, Bannius and Bloemaert; and it is to these two intermediaries that both Caterus' Objections and Descartes' Replies are addressed. Descartes wrote to Mersenne on 24 December 1640 that Caterus himself wished to remain anonymous.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Second Set of Objections is simply attributed to 'theologians and philosophers' in the index to the first edition, but the French version of 1647 announces that they were 'collected by the Reverend Father Mersenne'. In fact they are largely the work of Mersenne himself.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Third Set of Objections ('by a celebrated English philosopher', says the 1647 edition) is by Thomas Hobbes (1588-1679) who had fled to France, for political reasons, in 1640. Although many of Hobbes' points are of considerable philosophical interest, Descartes' comments are mostly curt and dismissive in the extreme.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Fourth Set of Objections is by the French theologian and logician Antoine Arnauld (1612-94), who became Doctor of Theology at the Sorbonne in 1641. Both the Objections and Replies are addressed to Mersenne as intermediary, and the tone of both authors is courteous and respectful throughout.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Fifth Set of Objections is by the philosopher Pierre Gassendi (1592-1655). His comments are very lengthy and come near to being a paragraph by paragraph commentary on the Meditations. Gassendi's tone is often acerbic, and Descartes frequently reacts with bristly defensiveness. For the further prolonged debate between Descartes and Gassendi which followed the publication of the Fifth Objections and Replies, see the Appendix, pages 268ff below.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Sixth Set of Objections was printed with no indication of the author in the first and second editions, and is described in the 1647 French edition as being 'by various theologians and philosophers'. The compiler, as in the case of the Second Objections, is Mersenne.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Seventh Set of Objections is by the Jesuit, Pierre Bourdin (1595-1653). Descartes had been eager to obtain the support of the Jesuits for his philosophy, but he was very disappointed with what he called 'the quibbles of Father Bourdin'; he wrote to Mersenne 'I have treated him as courteously as possible but I have never seen a paper so full of faults' (letter of March 1642). Descartes' Replies take the form of comments or annotations which are interspersed with Bourdin's Objections.
Desc.: DV2 OBR Trans. Pref. p. 64
      The Letter to Father Dinet, in which Descartes describes his reaction to Bourdin's Objections, was printed at the end of the Seventh Set of Objections and Replies in the second (1642) edition. Dinet was Bourdin's superior in the Jesuit order, and had taught Descartes at the College of La Flθche. An abridged version of the letter to Dinet is translated below; the Objections and Replies are translated in full.

Desc.: DV2 OBR Trans. Pref. p. 65
NOTE ON TYPOGRAPHY AND QUOTATIONS

The time-honoured practice in presenting the Objections and Replies (one which goes back to the earliest editions) has been to use italic type for the objectors' words and Roman type for those of Descartes. This convention has been abandoned in the present edition. It is unnecessary, since there is (with the exception of the exchange with Bourdin, where an alternative device is used) never any doubt about who is speaking; and it is potentially confusing, since the use of roman type in quotations from the Meditations can mislead the reader into supposing he has before him the exact words of Descartes. In fact, however, the objectors are often cavalier about quotations, paraphrasing and altering the syntax to suit their purposes. Because of this, readers referring back to the Meditations should not always expect to find that quotations in the Objections and Replies correspond word for word with the relevant passages in the Meditations.
J.C.


First Set of Objections
Desc.: DV2 OBR Ob1 Caterus ap. 91 p. 66
Objections raised by several men of learning against
the preceding Meditations together with the author's Replies

FIRST SET OF OBJECTIONS †1

Gentlemen,
Desc.: DV2 OBR Ob1 Caterus ap. 91 p. 66
      Observing your enthusiastic desire for me to make a detailed examination of the writings of M. Descartes, I felt myself obliged, in this matter, to go along with the wishes of such very good friends. In complying with your request I hope to make you realize the great regard which I have for you, and also to establish the inadequacy of my own intellectual powers, so that in future you may show me a little more indulgence, if I require it, and not press me so hard if my performance here turns out to be inadequate.
Desc.: DV2 OBR Ob1 Caterus ap. 91 p. 66
      M. Descartes is in my judgement a man of the highest intellect and the utmost modesty - a man such as even Momus,
†2 were he now with us, would approve of. 'I am thinking', he says, 'therefore I exist; indeed, I am thought itself - I am a mind.' Granted. 'But in virtue of thinking, I possess within me ideas of things, and in particular an idea of a supremely perfect and infinite being.' True again. 'However I am not the cause of this idea, since I do not measure up to its objective reality; hence something more perfect than myself is its cause, and accordingly there exists something besides myself, something more perfect than I am. This is someone who is not a being in any ordinary sense but who simply and without qualification embraces the whole of being within himself, and is as it were the ultimate original cause, as Dionysius †3 says in chapter eight of the Divina Nomina.'
Desc.: DV2 OBR Ob1 Caterus ap. 92 p. 66
      But here I am forced to stop for a while to avoid becoming exhausted. My mind ebbs and flows like the Euripus with its violent tides: first I accept, but then I deny; I give my approval but then I withdraw it; I am unwilling to disagree with the author, but I am unable to agree with him. My question is this: what sort of cause does an idea need? Indeed, what is an idea? It is the thing that is thought of, in so far as it has objective being in the intellect. But what is 'objective being in the intellect'? According to what I was taught, this is simply the determination of an act of the intellect by means of an object. And this is merely an extraneous label which adds nothing to the thing itself. Just as 'being seen' is nothing other than an act of vision attributable to myself, so 'being thought of', or having objective being in the intellect, is simply a thought of the mind which stops and terminates in the mind. And this can occur without any movement or change in the thing itself, and indeed without the thing in question existing at all. So why should I look for a cause of something which is not actual, and which is simply an empty label, a non-entity?
Desc.: DV2 OBR Ob1 Caterus ap. 92 p. 67
      'Nevertheless', says our ingenious author, 'in order for a given idea to contain such and such objective reality it must surely derive it from some cause.'
†1 On the contrary, this requires no cause; for objective reality is a pure label, not anything actual. A cause imparts some real and actual influence; but what does not actually exist cannot take on anything, and so does not receive or require any actual causal influence. Hence, though I have ideas, there is no cause for these ideas, let alone some cause which is greater than I am, or which is infinite.

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Desc.: DV2 OBR Ob1 Caterus ap. 93 p. 67
      'But if you do not grant that ideas have a cause, you must at least explain why a given idea contains such and such objective reality.' Certainly; I do not normally stint my friends, but am as lavish as possible. I take the same general view about all ideas as M. Descartes takes of a triangle. He says: 'even if perhaps no such figure exists, or has ever existed, anywhere outside my thought, there is still a determinate nature or essence or form which is immutable and eternal'.
†2 What we have here is an eternal truth, which does not require a cause. A boat is a boat and nothing else. Davus is Davus and not Oedipus.†3 But if you insist on having an explanation, the answer lies in the imperfection of our intellect, which is not infinite. For since it does not comprehend in one single grasp that totality that is all at once and once for all, it divides and separates out the universal good, and being unable to bring forth the totality, it conceives of it piecemeal, or, as they say, inadequately.
Desc.: DV2 OBR Ob1 Caterus ap. 93 p. 67
      The author goes on to say, 'And yet the mode of being by which a thing exists objectively in the intellect by way of an idea, imperfect though it may be, is certainly not nothing, and so it cannot come from nothing.'
†4 There is an equivocation here. If nothing is the same as an entity which does not actually exist, then this, since it is not actual, is nothing at all, and hence comes from nothing, that is, does not come from any cause. But if 'nothing' means something imaginary, or what they commonly call a 'conceptual entity'†5 then this is not 'nothing' but something real which is distinctly conceived. Nevertheless, since it is merely conceived and is not actual, although it can be conceived, it cannot in any way be caused.
Desc.: DV2 OBR Ob1 Caterus ap. 94 p. 68
      But he goes on: 'I should like to go further and inquire whether I myself who have this idea could exist if no such being existed' (that is, as he says just before this, if there did not exist a being from whom my idea of a being more perfect than myself proceeds). He goes on: 'From whom, in that case, would I derive my existence? From myself, presumably, or from my parents or from others etc. Yet if I derived my existence from myself, then I should neither doubt nor want, nor lack anything at all; for I should have given myself all the perfections of which I have any idea, and thus I should myself be God.'
†1 But if I derive my existence from some other, then if I trace the series back I will eventually come to a being which derives its existence from itself; and so the argument here becomes the same as the argument based on the supposition that I derive my existence from myself.†2 This is exactly the same approach as that taken by St Thomas: he called this way 'the way based on the causality of the efficient cause'.†3 He took the argument from Aristotle, although neither he nor Aristotle was bothered about the causes of ideas. And perhaps they had no need to be; for can I not take a much shorter and more direct line of argument? 'I am thinking, therefore I exist; indeed, I am thought itself, I am a mind. But this mind and thought derives its existence either from itself, or from another. If the latter, then we continue to repeat the question - where does this other being derive its existence from? And if the former, if it derives its existence from itself, it is God. For what derives existence from itself will without difficulty have endowed itself with all things.'
Desc.: DV2 OBR Ob1 Caterus ap. 95 p. 68
      I beg and beseech our author not to hide his meaning from a reader who, though perhaps less intelligent, is eager to follow. The phrase 'from itself' has two senses. In the first, positive, sense, it means 'from itself as from a cause'. What derives existence from itself in this sense bestows its own existence on itself; so if by an act of premeditated choice it were to give itself what it desired, it would undoubtedly give itself all things, and so would be God. But in the second, negative sense, 'from itself' simply means 'not from another'; and this, as far as I remember, is the way in which everyone takes the phrase.
Desc.: DV2 OBR Ob1 Caterus ap. 95 p. 68
      But now, if something derives its existence from itself in the sense of 'not from another', how can we prove that this being embraces all things and is infinite? This time I shall not listen if you say 'If it derives its existence from itself it could easily have given itself all things.' For it does not derive existence from itself as a cause, nor did it exist prior to itself so that it could choose in advance what it should subsequently be. Admittedly, I am sure I have heard somewhere that Suarez
†1 argued as follows: 'Every limitation proceeds from some cause; therefore if something is limited and finite this is because its cause was either unable or unwilling to endow it with more greatness or perfection; and hence if something derives its existence from itself, and not from some cause, it is indeed unlimited and infinite.'
Desc.: DV2 OBR Ob1 Caterus ap. 95 p. 69
      I do not entirely accept this, however. For what happens if the limitation arises from the thing's internal constitutive principles, that is, from its essence or form? Remember that you have not yet proved this essence to be infinite, even though the thing derives its existence from itself, in the sense of 'not from another'. That which is hot, for example, if you suppose there to be such a thing, will be hot as opposed to cold in virtue of its internal constitutive principles, and this will be true even if you imagine that its being what it is does not depend on anything else. I am sure that M. Descartes has plenty of arguments to support a thesis that others have not perhaps defended with sufficient clarity.
Desc.: DV2 OBR Ob1 Caterus ap. 95 p. 69
      At last I find myself in agreement with the author. He has laid it down as a general rule that 'everything of which I am clearly and distinctly aware is a true entity'.
†2 Indeed, to go further: 'whatever I think of is true'. For from our boyhood onwards we have totally outlawed all chimeras and similar 'conceptual entities'. No faculty can be diverted from its proper object. The will, if it moves at all, tends towards the good. Even the senses do not in themselves go astray: sight sees what it sees; the ears hear what they hear; and even if you see fool's gold, there is nothing wrong with your vision. The error arises from your judgement, when you decide that what you see is gold. Hence M. Descartes most properly puts all error down to the judgement and the will.
Desc.: DV2 OBR Ob1 Caterus ap. 96 p. 69
      But now use this rule to make the inference you wanted. 'I am clearly and distinctly aware of an infinite being; hence this is a true entity and something real.' Yet will not someone ask 'Are you clearly and distinctly aware of an infinite being? What, in that case, is the meaning of that well-worn maxim which is common knowledge: the infinite qua infinite is unknown?' When I think of a chiliagon, and construct for myself a confused representation of some figure, I do not distinctly imagine the chiliagon itself, since I do not distinctly see the thousand sides. And if this is so, then the question obviously arises as to how the infinite can be thought of in a distinct as opposed to a confused manner, given that the infinite perfections that make it up cannot be seen clearly 'before the eyes' as it were.
Desc.: DV2 OBR Ob1 Caterus ap. 96 p. 70
      This is perhaps what St Thomas meant when he denied that the proposition 'God exists' is self-evident.
†1 He considers an objection to this put by Damascene: 'The knowledge of the existence of God is naturally implanted in all men; hence the existence of God is self-evident.' His reply is that the knowledge that God exists is naturally implanted in us only in a general sense, or 'in a confused manner', as he puts it, that is, in so far as God is the ultimate felicity of man. But this, he says, is not straightforward knowledge of the existence of God, just as to know that someone is coming is not the same as to know Peter, even though it is Peter who is coming. He is in effect saying that God is known under some general conception, as an ultimate end or as the first and most perfect being, or even under the concept of that which includes all things in a confused and general manner; but he is not known in terms of the precise concept of his own proper essence, for in essence God is infinite and so unknown to us. I know that M. Descartes will have a ready answer to this line of questioning. Yet I trust that these objections, which I am putting forward purely for discussion, will remind him of the dictum of Boethius: 'There are certain common conceptions of the mind which are self-evident only to the wise.'†2 Hence, it should be no surprise if those who desire to increase their wisdom ask many questions and spend rather a long time on these topics. For they know that these matters have been laid down as the fundamental basis of the whole subject; and if they are to understand them, intensive scrutiny is required.
Desc.: DV2 OBR Ob1 Caterus ap. 97 p. 70
      Let us then concede that someone does possess a clear and distinct idea of a supreme and utterly perfect being. What is the next step you will take from here? You will say that this infinite being exists, and that his existence is so certain that 'I ought to regard the existence of God as having at least the same level of certainty as I have hitherto attributed to the truths of mathematics. Hence it is just as much of a contradiction to think of God (that is, a supremely perfect being) lacking existence (that is, lacking a perfection), as it is to think of a mountain without a valley.'
†3 This is the lynchpin of the whole structure; to give in on this point is to be obliged to admit defeat. But since I am taking on an opponent whose strength is greater than my own, I should like to have a preliminary skirmish with him, so that, although I am sure to be beaten in the end, I may at least put off the inevitable for a while.
Desc.: DV2 OBR Ob1 Caterus ap. 98 p. 70
      I know we are basing our argument on reason alone and not on appeals to authority. But to avoid giving the impression that I am wilfully taking issue with such an outstanding thinker as M. Descartes, let me nevertheless begin by asking you to listen to what St Thomas says. He raises the following objection to his own position:

As soon as we understand the meaning of the word 'God', we immediately grasp that God exists. For the word 'God' means 'that than which nothing greater can be conceived'. Now that which exists in reality as well as in the intellect is greater than that which exists in the intellect alone. Hence, since God immediately exists in the intellect as soon as we have understood the word 'God', it follows that he also exists in reality.
†1

This argument may be set out formally as follows. 'God is that than which nothing greater can be conceived. But that than which nothing greater can be conceived includes existence. Hence God, in virtue of the very word or concept of "God", contains existence; and hence he cannot lack, or be conceived of as lacking, existence.' But now please tell me if this is not the selfsame argument as that produced by M. Descartes? St Thomas defines God as 'that than which nothing greater can be conceived'. M. Descartes calls him 'a supremely perfect being'; but of course nothing greater than this can be conceived. St Thomas's next step is to say 'that than which nothing greater can be conceived includes existence', for otherwise something greater could be conceived, namely a being conceived of as also including existence. Yet surely M. Descartes' next step is identical to this. God, he says, is a supremely perfect being; and a supremely perfect being includes existence, for otherwise it would not be a supremely perfect being. St Thomas's conclusion is that 'since God immediately exists in the intellect as soon as we have understood the word "God", it follows that he also exists in reality'. In other words, since the very concept or essence of 'a being than which nothing greater can be conceived' implies existence, it follows that this very being exists. M. Descartes' conclusion is the same: 'From the very fact that I cannot think of God except as existing, it follows that existence is inseparable from God and hence that he really exists.'†2 But now let St Thomas reply both to himself and to M. Descartes. 'Let it be granted', he says,

that we all understand that the word 'God' means what it is claimed to mean, namely 'that than which nothing greater can be thought of'. However, it does not follow that we all understand that what is signified by this word exists in the real world. All that follows is that it exists in the apprehension of the intellect. Nor can it be shown that this being really exists unless it is conceded that there really is something such that nothing greater can be thought of; and this premiss is denied by those who maintain that God does not exist.

My own answer to M. Descartes, which is based on this passage, is briefly this. Even if it is granted that a supremely perfect being carries the implication of existence in virtue of its very title, it still does not follow that the existence in question is anything actual in the real world; all that follows is that the concept of existence is inseparably linked to the concept of a supreme being. So you cannot infer that the existence of God is anything actual unless you suppose that the supreme being actually exists; for then it will actually contain all perfections, including the perfection of real existence.
Desc.: DV2 OBR Ob1 Caterus ap. 99 p. 72
      Pardon me, gentlemen: I am now rather tired and propose to have a little fun. The complex 'existing lion' includes both 'lion' and 'existence', and it includes them essentially, for if you take away either element it will not be the same complex. But now, has not God had clear and distinct knowledge of this composite from all eternity? And does not the idea of this composite, as a composite, involve both elements essentially? In other words, does not existence belong to the essence of the composite 'existing lion'? Nevertheless the distinct knowledge of God, the distinct knowledge he has from eternity, does not compel either element in the composite to exist, unless we assume that the composite itself exists (in which case it will contain all its essential perfections including actual existence). Similarly even if I have distinct knowledge of a supreme being, and even if the supremely perfect being includes existence as an essential part of the concept, it still does not follow that the existence in question is anything actual, unless we suppose that the supreme being exists (for in that case it will include actual existence along with all its other perfections). Accordingly we must look elsewhere for a proof that the supremely perfect being exists.
Desc.: DV2 OBR Ob1 Caterus ap. 100 p. 72
      With regard to the essence of the soul and its distinction from the body, I have only a little to say. For I confess that our highly gifted author has already so exhausted me that I can hardly add one word more. His proof of the supposed distinction between the soul and the body appears to be based on the fact that the two can be distinctly conceived apart from each other. Here I refer the learned gentleman to Scotus, who says that for one object to be distinctly conceived apart from another, there need only be what he calls a formal and objective distinction between them (such a distinction is, he maintains, intermediate between a real distinction and a conceptual distinction). The distinction between God's justice and his mercy is of this kind. For, says Scotus, 'The formal concepts of the two are distinct prior to any operation of the intellect, so that one is not the same as the other. Yet it does not follow that because justice and mercy can be conceived apart from one another they can therefore exist apart.'
†1
Desc.: DV2 OBR Ob1 Caterus ap. 100 p. 73
      But I see that I have gone far beyond the normal limits of a letter. These, gentlemen, are the matters which I thought needed to be raised on this subject, and I leave it to your judgement to pick out the more important points. If you take my side, then M. Descartes will easily be prevailed upon, out of friendship, not to think too badly of me for having contradicted him on a few points. But if you take his side, I shall submit and own myself beaten; indeed, I shall be only too happy to avoid a second defeat. And so I conclude with my good wishes to you both.


Replies to First Set

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Desc.: DV2 OBR Rp1 ap. 101 p. 74
AUTHOR'S REPLIES TO THE FIRST SET OF
OBJECTIONS

Gentlemen,
†1
Desc.: DV2 OBR Rp1 ap. 101 p. 74
      You have indeed called up a mighty opponent to challenge me, and his intelligence and learning could well have caused me serious difficulty had he not been a good and kind theologian who preferred to befriend the cause of God, and its humble champion, rather than to mount a serious attack. But though it was extremely kind of him to pull his punches, it would not be so acceptable for me to keep up the pretence; and hence I would rather expose his carefully disguised assistance to me than answer him as if he were an adversary.
Desc.: DV2 OBR Rp1 ap. 101 p. 74
      First of all he summarizes my chief argument for proving the existence of God, thus helping to fix it all the more firmly in the reader's memory. And after briefly conceding the claims which he considers to have been demonstrated with sufficient clarity, thereby adding the weight of his own authority to them, he raises the one question which gives rise to the most important difficulty, namely the question of what should be understood by the term 'idea' in this context, and of whether such an idea requires a cause of any sort.
Desc.: DV2 OBR Rp1 ap. 102 p. 74
      Now I wrote that an idea is the thing which is thought of in so far as it has objective being in the intellect.
†2 But to give me an opportunity of explaining these words more clearly the objector pretends to understand them in quite a different way from that in which I used them. 'Objective being in the intellect', he says, 'is simply the determination of an act of the intellect by means of an object, and this is merely an extraneous label which adds nothing to the thing itself.'†3 Notice here that he is referring to the thing itself as if it were located outside the intellect, and in this sense 'objective being in the intellect' is certainly an extraneous label; but I was speaking of the idea, which is never outside the intellect, and in this sense 'objective being' simply means being in the intellect in the way in which objects are normally there. For example, if anyone asks what happens to the sun through its being objectively in my intellect, the best answer is that nothing happens to it beyond the application of an extraneous label which does indeed 'determine an act of the intellect by means of an object'. But if the question is about what the idea of the sun is, and we answer that it is the thing which is thought of, in so far as it has objective being in the intellect, no one will take this to be the sun itself with this extraneous label applied to it. 'Objective being in the intellect' will not here mean 'the determination of an act of the intellect by means of an object', but will signify the object's being in the intellect in the way in which its objects are normally there. By this I mean that the idea of the sun is the sun itself existing in the intellect - not of course formally existing, as it does in the heavens, but objectively existing, i.e. in the way in which objects normally are in the intellect. Now this mode of being is of course much less perfect than that possessed by things which exist outside the intellect; but, as I did explain, it is not therefore simply nothing.†1
Desc.: DV2 OBR Rp1 ap. 103 p. 75
      When the learned theologian says that there is an equivocation in what I say here,
†2 he apparently means to remind me of the point I have just made, in case I should forget it. He says, first of all, that when a thing exists in the intellect by means of an idea, it is not an actual entity, that is, it is not a being located outside the intellect; and this is quite true. Next he goes on to say that 'it is not something fictitious or a conceptual entity but something real which is distinctly conceived'; here he concedes everything which I have assumed. But he then adds 'since it is merely conceived and is not actual' - i.e. since it is merely an idea, and not a thing located outside the intellect- 'although it can be conceived it cannot in any way be caused'. This is to say that it does not require a cause enabling it to exist outside the intellect. This I accept; but it surely needs a cause enabling it to be conceived, which is the sole point at issue. Thus if someone possesses in his intellect the idea of a machine of a highly intricate design, it is perfectly fair to ask what is the cause of this idea. And it will not be an adequate reply to say that the idea is not anything outside the intellect and hence that it cannot be caused but can merely be conceived. For the precise question being raised is what is the cause of its being conceived. Nor will it suffice to say that the intellect itself is the cause of the idea, in so far as it is the cause of its own operations; for what is at issue is not this, but the cause of the objective intricacy which is in the idea. For in order for the idea of the machine to contain such and such objective intricacy, it must derive it from some cause; and what applies to the objective intricacy belonging to this idea also applies to the objective reality belonging to the idea of God. Now admittedly there could be various causes of the intricacy contained in the idea of the machine. Perhaps the cause was a real machine of this design which was seen on some previous occasion, thus producing an idea resembling the original. Or the cause might be an extensive knowledge of mechanics in the intellect of the person concerned, or perhaps a very subtle intelligence which enabled him to invent the idea without any previous knowledge. But notice that all the intricacy which is to be found merely objectively in the idea must necessarily be found, either formally or eminently,†1 in its cause, whatever this turns out to be. And the same must apply to the objective reality in the idea of God. Yet where can the corresponding reality be found, if not in a really existing God? But my shrewd critic sees all this quite well, and he therefore concedes that we can ask why a given idea contains such and such objective reality. His answer is that, in the case of all ideas, what I wrote in connection with the idea of a triangle holds good, namely that 'even if perhaps a triangle does not exist anywhere, it still has a determinate nature or essence or form which is immutable and eternal'. And this, he says, does not require a cause. But he is well aware that this is not an adequate reply; for even if the nature of the triangle is immutable and eternal, it is still no less appropriate to ask why there is an idea of it within us. Hence he adds 'If you insist on having an explanation, the answer lies in the imperfection of our intellect', etc.†2 In making this reply he simply means, I think, that those who have tried to take a different view from mine on this issue have no plausible reply to make. For surely to claim that the imperfection of our intellect is the cause of our having the idea of God is as implausible as claiming that lack of experience in mechanics is the cause of our imagining some very intricate machine as opposed to a more imperfect one. On the contrary, if someone possesses the idea of a machine, and contained in the idea is every imaginable intricacy of design, then the correct inference is plainly that this idea originally came from some cause in which every imaginable intricacy really did exist, even though the intricacy now has only objective existence in the idea. By the same token, since we have within us the idea of God, and contained in the idea is every perfection that can be thought of, the absolutely evident inference is that this idea depends on some cause in which all this perfection is indeed to be found, namely a really existing God. The latter inference would not present any more problems than the former, were it not the case that we all have the same ability to conceive of the idea of God, whereas everyone is not equally experienced in mechanics, and so not everyone can have an idea of a very intricate machine. Because the idea of God is implanted in the same way in the minds of all, we do not notice it coming into our minds from any external source, and so we suppose it belongs to the nature of our own intellect. This is correct enough, but we forget something else which is a most important consideration - indeed one on which the entire luminous power of the argument depends - namely that this ability to have within us the idea of God could not belong to our intellect if the intellect were simply a finite entity (as indeed it is) and did not have God as its cause. Hence I went on to inquire 'whether I could exist if God did not exist'.†1 But my purpose here was not to produce a different proof from the preceding one, but rather to take the same proof and provide a more thorough explanation of it.
Desc.: DV2 OBR Rp1 ap. 106 p. 77
      At this point my critic has, through his excessive desire to be kind to me, put me in an unfortunate position. For in comparing my argument with one taken from St Thomas and Aristotle, he seems to be demanding an explanation for the fact that, after starting on the same road as they do, I have not kept to it in all respects. However, I hope he will allow me to avoid commenting on what others have said, and simply give an account of what I have written myself.
Desc.: DV2 OBR Rp1 ap. 106 p. 77
      Firstly, then, I did not base my argument on the fact that I observed there to be an order or succession of efficient causes among the objects perceived by the senses. For one thing, I regarded the existence of God as much more evident than the existence of anything that can be perceived by the senses; and for another thing, I did not think that such a succession of causes could lead me anywhere except to a recognition of the imperfection of my intellect, since an infinite chain of such successive causes from eternity without any first cause is beyond my grasp. And my inability to grasp it certainly does not entail that there must be a first cause, any more than my inability to grasp the infinite number of divisions in a finite quantity entails that there is an ultimate division beyond which any further division is impossible. All that follows is that my intellect, which is finite, does not encompass the infinite. Hence I preferred to use my own existence as the basis of my argument, since it does not depend on any chain of causes and is better known to me than anything else could possibly be. And the question I asked concerning myself was not what was the cause that originally produced me, but what is the cause that preserves me at present. In this way I aimed to escape the whole issue of the succession of causes.
Desc.: DV2 OBR Rp1 ap. 107 p. 77
      Next, in inquiring about what caused me, I was asking about myself, not in so far as I consist of mind and body, but only and precisely in so far as I am a thinking thing. This point is, I think, of considerable relevance. For such a procedure made it much easier for me to free myself from my preconceived opinions, to attend to the light of nature, to ask myself questions, and to affirm with certainty that there can be nothing within me of which I am not in some way aware. This is plainly a quite different approach from observing that my father begot me, inferring that my grandfather begot my father, and in view of the impossibility of going on ad infinitum in the search for parents of parents, bringing the inquiry to a close by deciding that there is a first cause.
Desc.: DV2 OBR Rp1 ap. 107 p. 78
      Moreover, in inquiring about what caused me I was not simply asking about myself as a thinking thing; principally and most importantly I was asking about myself in so far as I observe, amongst my other thoughts, that there is within me the idea of a supremely perfect being. The whole force of my proof depends on this one fact. For, firstly, this idea contains the essence of God, at least in so far as I am capable of understanding it; and according to the laws of true logic, we must never ask about the existence of anything until we first understand its essence.
†1 Secondly, it is this idea which provides me with the opportunity of inquiring whether I derive my existence from myself, or from another, and of recognizing my defects. And, lastly, it is this same idea which shows me not just that I have a cause, but that this cause contains every perfection, and hence that it is God.
Desc.: DV2 OBR Rp1 ap. 108 p. 78
      Finally, I did not say that it was impossible for something to be the efficient cause of itself. This is obviously the case when the term 'efficient' is taken to apply only to causes which are prior in time to their effects, or different from them. But such a restriction does not seem appropriate in the present context. First, it would make the question trivial, since everyone knows that something cannot be prior to, or distinct from, itself. Secondly, the natural light does not establish that the concept of an efficient cause requires that it be prior in time to its effect. On the contrary, the concept of a cause is, strictly speaking, applicable only for as long as the cause is producing its effect, and so it is not prior to it. However, the light of nature does establish that if anything exists we may always ask why it exists; that is, we may inquire into its efficient cause, or, if it does not have one, we may demand why it does not need one. Hence, if I thought that nothing could possibly have the same relation to itself as an efficient cause has to its effect, I should certainly not conclude that there was a first cause. On the contrary, I should go on to ask for the cause of the so-called 'first' cause, and thus I would never reach anything which was the first cause of everything else. However, I do readily admit that there can exist something which possesses such great and inexhaustible power that it never required the assistance of anything else in order to exist in the first place, and does not now require any assistance for its preservation, so that it is, in a sense, its own cause; and I understand God to be such a being. Now I regard the divisions of time as being separable from each other, so that the fact that I now exist does not imply that I shall continue to exist in a little while unless there is a cause which, as it were, creates me afresh at each moment of time. Hence, even if I had existed from eternity, and thus nothing had existed prior to myself, I should have no hesitation in calling the cause which preserves me an 'efficient' cause. By the same token, although God has always existed, since it is he who in fact preserves himself, it seems not too inappropriate to call him 'the cause of himself'. It should however be noted that 'preservation' here must not be understood to be the kind of preservation that comes about by the positive influence of an efficient cause; all that is implied is that the essence of God is such that he must always exist.
Desc.: DV2 OBR Rp1 ap. 109 p. 79
      These considerations make it easy for me to answer the point about the ambiguity in the phrase 'from itself' which, as the learned theologian has reminded me, needs to be explained. There are some who attend only to the literal and strict meaning of the phrase 'efficient cause' and thus think it is impossible for anything to be the cause of itself. They do not see that there is any place for another kind of cause analogous to an efficient cause, and hence when they say that something derives its existence 'from itself' they normally mean simply that it has no cause. But if they would look at the facts rather than the words, they would readily observe that the negative sense of the phrase 'from itself' comes merely from the imperfection of the human intellect and has no basis in reality. But there is a positive sense of the phrase which is derived from the true nature of things, and it is this sense alone which is employed in my argument. For example, if we think that a given body derives its existence from itself, we may simply mean that it has no cause; but our claim here is not based on any positive reason, but merely arises in a negative way from our ignorance of any cause. Yet this is a kind of imperfection in us, as we will easily see if we consider the following. The separate divisions of time do not depend on each other; hence the fact that the body in question is supposed to have existed up till now 'from itself', that is, without a cause, is not sufficient to make it continue to exist in future, unless there is some power in it that as it were recreates it continuously. But when we see that no such power is to be found in the idea of a body, and immediately conclude that the body does not derive its existence from itself, we shall then be taking the phrase 'from itself' in the positive sense. Similarly, when we say that God derives his existence 'from himself', we can understand the phrase in the negative sense, in which case the meaning will simply be that he has no cause. But if we have previously inquired into the cause of God's existing or continuing to exist, and we attend to the immense and incomprehensible power that is contained within the idea of God, then we will have recognized that this power is so exceedingly great that it is plainly the cause of his continuing existence, and nothing but this can be the cause. And if we say as a result that God derives his existence from himself, we will not be using the phrase in its negative sense but in an absolutely positive sense. There is no need to say that God is the efficient cause of himself, for this might give rise to a verbal dispute. But the fact that God derives his existence from himself, or has no cause apart from himself, depends not on nothing but on the real immensity of his power; hence, when we perceive this, we are quite entitled to think that in a sense he stands in the same relation to himself as an efficient cause does to its effect, and hence that he derives his existence from himself in the positive sense. And each one of us may ask himself whether he derives his existence from himself in this same sense. Since he will find no power within himself which suffices to preserve him even for one moment of time, he will be right to conclude that he derives his existence from another being, and indeed that this other being derives its existence from itself (there is no possibility of an infinite regress here, since the question concerns the present, not the past or the future). Indeed, I will now add something which I have not put down in writing before, namely that the cause we arrive at cannot merely be a secondary cause; for a cause which possesses such great power that it can preserve something situated outside itself must, a fortiori, preserve itself by its own power, and hence derive its existence from itself.
Desc.: DV2 OBR Rp1 ap. 111 p. 80
      As for the dictum 'Every limitation proceeds from some cause',
†1 I think that what is meant here is something true, but that it is inappropriately expressed, and that the underlying difficulty is not solved. Strictly speaking, a limitation is merely a negation or denial of any further perfection, and such a negation does not proceed from a cause, though the thing itself which is so limited does. But even if it is true that everything which is limited proceeds from a cause, this is not self-evident and needs to be proved from other premisses. For, as the subtle theologian points out, a thing can be regarded as limited in various ways; for example, it can be limited because this is part of its nature, just as it belongs to the nature of a triangle that it consists of no more than three lines. What does seem to me self-evident is that whatever exists either derives its existence from a cause or derives its existence from itself as from a cause. For since we understand not only what is meant by existence but also what is meant by its negation, it is impossible for us to imagine anything deriving existence from itself without there being some reason why it should exist rather than not exist. So in such a case we are bound to interpret 'from itself' in a causal sense, because of the superabundance of power involved - a superabundance which, as is very easily demonstrated, can exist in God alone.
Desc.: DV2 OBR Rp1 ap. 112 p. 81
      My opponent goes on to grant me a principle
†1 which, though it does not admit of any doubt, commonly receives very little attention. But so great is its importance for rescuing the whole of philosophy from darkness that, by adding the weight of his authority to it, he has greatly helped me in my enterprise.
Desc.: DV2 OBR Rp1 ap. 112 p. 81
      At this point, however, he shrewdly asks whether I am 'clearly and distinctly aware of the infinite'.
†2 I did try to anticipate this objection, but it is one which occurs so spontaneously to everyone that it is worthwhile replying to it at some length. So let me say first of all that the infinite, qua infinite, can in no way be grasped. But it can still be understood,†3 in so far as we can clearly and distinctly understand that something is such that no limitations can be found in it, and this amounts to understanding clearly that it is infinite.
Desc.: DV2 OBR Rp1 ap. 113 p. 81
      Now I make a distinction here between the indefinite and the infinite. I apply the term 'infinite', in the strict sense, only to that in which no limits of any kind can be found; and in this sense God alone is infinite. But in cases like the extension of imaginary space, or the set of numbers, or the divisibility of the parts of a quantity, there is merely some respect in which I do not recognize a limit; so here I use the term 'indefinite' rather than 'infinite', because these items are not limitless in every respect.

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Desc.: DV2 OBR Rp1 ap. 113 p. 81
      Moreover, I distinguish between the formal concept of the infinite, or 'infinity', and the thing which is infinite. In the case of infinity, even if we understand it to be positive in the highest degree, nevertheless our way of understanding it is negative, because it depends on our not noticing any limitation in the thing. But in the case of the thing itself which is infinite, although our understanding is positive, it is not adequate, that is to say, we do not have a complete grasp of everything in it that is capable of being understood. When we look at the sea, our vision does not encompass its entirety, nor do we measure out its enormous vastness; but we are still said to 'see' it. In fact if we look from a distance so that our vision almost covers the entire sea at one time, we see it only in a confused manner, just as we have a confused picture of a chiliagon when we take in all its sides at once. But if we fix our gaze on some part of the sea at close quarters, then our view can be clear and distinct, just as our picture of a chiliagon can be, if it is confined to one or two of the sides. In the same way, God cannot be taken in by the human mind, and I admit this, along with all theologians. Moreover, God cannot be distinctly known by those who look from a distance as it were, and try to make their minds encompass his entirety all at once. This is the sense in which St Thomas says, in the passage quoted, that the knowledge of God is within us 'in a somewhat confused manner'.
†1 But those who try to attend to God's individual perfections and try not so much to take hold of them as to surrender to them, using all the strength of their intellect to contemplate them, will certainly find that God provides much more ample and straightforward subject-matter for clear and distinct knowledge than does any created thing.
Desc.: DV2 OBR Rp1 ap. 114 p. 82
      St Thomas did not deny this in the passage quoted, as is clear from the fact that in the following article he insists that the existence of God is demonstrable.
†2 But when I said that God can be clearly and distinctly known, I was referring merely to knowledge of the finite kind just described, which corresponds to the small capacity of our minds. Indeed there was no need to construe it in any other way in order to establish the truth of the claims I made, as will be readily apparent if one recalls that I made the statement about clear and distinct knowledge of God in only two places. The first was where the question arose as to whether the idea which we form of God contains something real or only the negation of the real (as, for example, the idea of cold contains no more than the negation of heat) - a point on which there can be no doubt.†3 And the second place was where I asserted that existence belongs to the concept of a supremely perfect being just as much as three sides belong to the concept of a triangle;†4 and this point can be understood without adequate knowledge of God.
Desc.: DV2 OBR Rp1 ap. 115 p. 82
      The author of the objections here again compares one of my arguments with one of St Thomas',
†5 thus as it were forcing me to explain how one argument can have any greater force than the other. I think I can do this without too much unpleasantness. For, first, St Thomas did not use the argument which he then puts forward as an objection to his own position conclusion as I do; and lastly, on this issue I do not differ from the Angelic Doctor in any respect. St Thomas asks whether the existence of God is self-evident as far as we are concerned, that is, whether it is obvious to everyone; and he answers, correctly, that it is not. The argument which he then puts forward as an objection to his own position can be stated as follows. 'Once we have understood the meaning of the word "God", we understand it to mean "that than which nothing greater can be conceived". But to exist in reality as well as in the intellect is greater than to exist in the intellect alone. Therefore, once we have understood the meaning of the word "God" we understand that God exists in reality as well as in the understanding.' In this form the argument is manifestly invalid, for the only conclusion that should have been drawn is: 'Therefore, once we have understood the meaning of the word "God" we understand that what is conveyed is that God exists in reality as well as in the understanding.' Yet because a word conveys something, that thing is not therefore shown to be true. My argument however was as follows: 'That which we clearly and distinctly understand to belong to the true and immutable nature, or essence, or form of something, can truly be asserted of that thing. But once we have made a sufficiently careful investigation of what God is, we clearly and distinctly understand that existence belongs to his true and immutable nature. Hence we can now truly assert of God that he does exist.' Here at least the conclusion does follow from the premisses. But, what is more, the major premiss cannot be denied, because it has already been conceded that whatever we clearly and distinctly understand is true. Hence only the minor premiss remains, and here I confess that there is considerable difficulty. In the first place we are so accustomed to distinguishing existence from essence in the case of all other things that we fail to notice how closely existence belongs to essence in the case of God as compared with that of other things. Next, we do not distinguish what belongs to the true and immutable essence of a thing from what is attributed to it merely by a fiction of the intellect. So, even if we observe clearly enough that existence belongs to the essence of God, we do not draw the conclusion that God exists, because we do not know whether his essence is immutable and true, or merely invented by us.
Desc.: DV2 OBR Rp1 ap. 116 p. 83
      But to remove the first part of the difficulty we must distinguish between possible and necessary existence. It must be noted that possible existence is contained in the concept or idea of everything that we clearly and distinctly understand; but in no case is necessary existence so contained, except in the case of the idea of God. Those who carefully attend to this difference between the idea of God and every other idea will undoubtedly perceive that even though our understanding of other things always involves understanding them as if they were existing things, it does not follow that they do exist, but merely that they are capable of existing. For our understanding does not show us that it is necessary for actual existence to be conjoined with their other properties. But, from the fact that we understand that actual existence is necessarily and always conjoined with the other attributes of God, it certainly does follow that God exists.
Desc.: DV2 OBR Rp1 ap. 117 p. 83
      To remove the second part of the difficulty, we must notice a point about ideas which do not contain true and immutable natures but merely ones which are invented and put together by the intellect. Such ideas can always be split up by the same intellect, not simply by an abstraction but by a clear and distinct intellectual operation, so that any ideas which the intellect cannot split up in this way were clearly not put together by the intellect. When, for example, I think of a winged horse or an actually existing lion, or a triangle inscribed in a square, I readily understand that I am also able to think of a horse without wings, or a lion which does not exist, or a triangle apart from a square, and so on; hence these things do not have true and immutable natures. But if I think of a triangle or a square (I will not now include the lion or the horse, since their natures are not transparently clear to us), then whatever I apprehend as being contained in the idea of a triangle - for example that its three angles are equal to two right angles - I can with truth assert of the triangle. And the same applies to the square with respect to whatever I apprehend as being contained in the idea of a square. For even if I can understand what a triangle is if I abstract the fact that its three angles are equal to two right angles, I cannot deny that this property applies to the triangle by a clear and distinct intellectual operation - that is, while at the same time understanding what I mean by my denial. Moreover, if I consider a triangle inscribed in a square, with a view not to attributing to the square properties that belong only to the triangle, or attributing to the triangle properties that belong to the square, but with a view to examining only the properties which arise out of the conjunction of the two, then the nature of this composite will be just as true and immutable as the nature of the triangle alone or the square alone. And hence it will be quite in order to maintain that the square is not less than double the area of the triangle inscribed within it, and to affirm other similar properties that belong to the nature of this composite figure.
Desc.: DV2 OBR Rp1 ap. 118 p. 84
      But if I were to think that the idea of a supremely perfect body contained existence, on the grounds that it is a greater perfection to exist both in reality and in the intellect than it is to exist in the intellect alone, I could not infer from this that the supremely perfect body exists, but only that it is capable of existing. For I can see quite well that this idea has been put together by my own intellect which has linked together all bodily perfections; and existence does not arise out of the other bodily perfections because it can equally well be affirmed or denied of them. Indeed, when I examine the idea of a body, I perceive that a body has no power to create itself or maintain itself in existence; and I rightly conclude that necessary existence - and it is only necessary existence that is at issue here - no more belongs to the nature of a body, however perfect, than it belongs to the nature of a mountain to be without a valley, or to the nature of a triangle to have angles whose sum is greater than two right angles. But instead of a body, let us now take a thing - whatever this thing turns out to be - which possesses all the perfections which can exist together. If we ask whether existence should be included among these perfections, we will admittedly be in some doubt at first. For our mind, which is finite, normally thinks of these perfections only separately, and hence may not immediately notice the necessity of their being joined together. Yet if we attentively examine whether existence belongs to a supremely powerful being, and what sort of existence it is, we shall be able to perceive clearly and distinctly the following facts. First, possible existence, at the very least, belongs to such a being, just as it belongs to all the other things of which we have a distinct idea, even to those which are put together through a fiction of the intellect. Next, when we attend to the immense power of this being, we shall be unable to think of its existence as possible without also recognizing that it can exist by its own power; and we shall infer from this that this being does really exist and has existed from eternity, since it is quite evident by the natural light that what can exist by its own power always exists. So we shall come to understand that necessary existence is contained in the idea of a supremely powerful being, not by any fiction of the intellect, but because it belongs to the true and immutable nature of such a being that it exists. And we shall also easily perceive that this supremely powerful being cannot but possess within it all the other perfections that are contained in the idea of God; and hence these perfections exist in God and are joined together not by any fiction of the intellect but by their very nature.
Desc.: DV2 OBR Rp1 ap. 120 p. 85
      All this is manifest if we give the matter our careful attention; and it does not differ from anything I have written before, except for the method of explanation adopted. This I have deliberately altered so as to appeal to a variety of different minds. But as I readily admit, it is the kind of argument which may easily be regarded as a sophism by those who do not keep in mind all the elements which make up the proof. For this reason I did have considerable doubts to begin with about whether I should use it; for I feared it might induce those who did not grasp it to have doubts about the rest of my reasoning. But there are only two ways of proving the existence of God, one by means of his effects, and the other by means of his nature or essence; and since I expounded the first method to the best of my ability in the Third Meditation, I thought that I should include the second method later on.
Desc.: DV2 OBR Rp1 ap. 120 p. 85
      As to the 'formal' distinction which the learned theologian introduces on the authority of Scotus,
†1 let me say briefly that this kind of distinction does not differ from a modal distinction;†2 moreover, it applies only to incomplete entities, which I have carefully distinguished from complete entities. It is sufficient for this kind of distinction that one thing be conceived distinctly and separately from another by an abstraction of the intellect which conceives the thing inadequately. It is not necessary to have such a distinct and separate conception of each thing that we can understand it as an entity in its own right, different from everything else; for this to be the case the distinction involved must be a real one. For example, the distinction between the motion and shape of a given body is a formal distinction. I can very well understand the motion apart from the shape, and vice versa, and I can understand either in abstraction from the body. But I cannot have a complete understanding of the motion apart from the thing in which motion occurs, or of the shape apart from the thing which has the shape; and I cannot imagine there to be motion in something which is incapable of possessing shape, or shape in something which is incapable of motion. In the same way, I cannot understand justice apart from the person who is just, or mercy apart from the person who is merciful; and I am not at liberty to imagine that the same person who is just is incapable of mercy. By contrast, I have a complete understanding of what a body is when I think that it is merely something having extension, shape and motion, and I deny that it has anything which belongs to the nature of a mind. Conversely, I understand the mind to be a complete thing, which doubts, understands, wills, and so on, even though I deny that it has any of the attributes which are contained in the idea of a body. This would be quite impossible if there were not a real distinction between the mind and the body.
Desc.: DV2 OBR Rp1 ap. 121 p. 86
      These, gentlemen, are the points which I thought needed to be made in reply to your friend's very kind and extremely intelligent comments. If what I have said is inadequate, I ask your friend to let me know of any omissions or mistakes; and if you can prevail on him to do this for me, I shall regard it as a great service.

Second Set of Objections
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SECOND SET OF OBJECTIONS †1

Sir,
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      The task of defending the Author of all things against a new race of giants,
†2 and of demonstrating his existence, is one which you have undertaken with such great success that from now on men of good will can hope that no one who carefully reads your Meditations will fail to acknowledge the existence of an eternal power on whom every single thing depends. We therefore wanted to draw your attention to various passages, which are indicated below, and ask you to clarify them, so that, as far as possible, there may be nothing left in your work which is not clearly demonstrated. You have trained your mind by continual meditations for several years, so that what seems doubtful and very obscure to others is quite clear to you; indeed, you may have a clear mental intuition of these matters and perceive them as the primary and principal objects of the natural light. We are simply pointing out the issues on which it seems worthwhile to burden you with the task of providing a clearer and more extended explanation and demonstration. You have embarked on your arguments for the greater glory of God and the immense benefit of mankind and, once you have done what we ask, there will scarcely be anyone left who can deny that they do indeed have the force of demonstrations.
Desc.: DV2 OBR Ob2 Mersenne ap. 122 p. 87
      First, then, may we remind you that your vigorous rejection of the images of all bodies as delusive was not something you actually and really carried through, but was merely a fiction of the mind, enabling you to draw the conclusion that you were exclusively a thinking thing. We point this out in case you should perhaps suppose that it is possible to go on to draw the conclusion that you are in fact nothing more than a mind, or thought, or a thinking thing. And we make the point solely in connection with the first two Meditations, in which you clearly show that, if nothing else, it is certain that you, who are thinking, exist. But let us pause a little here. The position so far is that you recognize that you are a thinking thing, but you do not know what this thinking thing is. What if it turned out to be a body which, by its various motions and encounters, produces what we call thought? Although you think you have ruled out every kind of body, you could have been mistaken here, since you did not exclude yourself, and you may be a body. How do you demonstrate that a body is incapable of thinking, or that corporeal motions are not in fact thought? The whole system of your body, which you think you have excluded, or else some of its parts - for example those which make up the brain - may combine to produce the motions which we call thoughts. You say 'I am a thinking thing'; but how do you know that you are not corporeal motion, or a body which is in motion?
Desc.: DV2 OBR Ob2 Mersenne ap. 123 p. 88
      Secondly, from the idea of a supreme being, which you maintain is quite incapable of originating from you, you venture to infer that there must necessarily exist a supreme being who alone can be the origin of this idea which appears in your mind.
†1 However, we can find simply within ourselves a sufficient basis for our ability to form the said idea, even supposing that the supreme being did not exist, or that we did not know that he exists and never thought about his existing. For surely I can see that, in so far as I think, I have some degree of perfection, and hence that others besides myself have a similar degree of perfection. And this gives me the basis for thinking of an indefinite number of degrees and thus positing higher and higher degrees of perfection up to infinity. Even if there were just one degree of heat or light, I could always imagine further degrees and continue the process of addition up to infinity. In the same way, I can surely take a given degree of being, which I perceive within myself, and add on a further degree, and thus construct the idea of a perfect being from all the degrees which are capable of being added on. You say, however, that an effect cannot possess any degree of reality or perfection that was not previously present in the cause. But we see that flies and other animals, and also plants, are produced from sun and rain and earth, which lack life. Now life is something nobler than any merely corporeal grade of being; and hence it does happen that an effect may derive from its cause some reality which is nevertheless not present in the cause. But leaving this aside, the idea of a perfect being is nothing more than a conceptual entity, which has no more nobility than your own mind which is thinking. Moreover, if you had not grown up among educated people, but had spent your entire life alone in some deserted spot, how do you know that the idea would have come to you? You derived this idea from earlier preconceptions, or from books or from discussion with friends and so on, and not simply from your mind or from an existing supreme being. So a clearer proof needs to be provided that this idea could not be present within you if a supreme being did not exist; and when you have provided it, we shall all surrender. However, the fact that the natives of Canada, the Hurons and other primitive peoples, have no awareness of any idea of this sort seems to establish that the idea does come from previously held notions. It is even possible for you to form the idea from a previous examination of corporeal things, so that your idea would refer to nothing but this corporeal world, which includes every kind of perfection that can be thought of by you. In that case you could not infer the existence of anything beyond an utterly perfect corporeal being, unless you were to add something further which lifts us up to an incorporeal or spiritual plane. We may add that you can form the idea of an angel just as you can form the idea of a supremely perfect being; but this idea is not produced in you by an angel, although the angel is more perfect than you. But in fact you do not have the idea of God, just as you do not have the idea of an infinite number or an infinite line (even if you may have the idea, the number is still impossible). Moreover, the idea of the unity and simplicity of one perfection that includes all others arises merely from an operation of the reasoning intellect, in the same way as those universal unities which do not exist in reality but merely in the intellect (as can be seen in the case of generic unity, transcendental unity, and so on).
Desc.: DV2 OBR Ob2 Mersenne ap. 124 p. 89
      Thirdly, you are not yet certain of the existence of God, and you say that you are not certain of anything, and cannot know anything clearly and distinctly until you have achieved clear and certain knowledge of the existence of God.
†1 It follows from this that you do not yet clearly and distinctly know that you are a thinking thing, since, on your own admission, that knowledge depends on the clear knowledge of an existing God; and this you have not yet proved in the passage where you draw the conclusion that you clearly know what you are.

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Desc.: DV2 OBR Ob2 Mersenne ap. 125 p. 89
      Moreover, an atheist is clearly and distinctly aware that the three angles of a triangle are equal to two right angles; but so far is he from supposing the existence of God that he completely denies it. According to the atheist, if God existed there would be a supreme being and a supreme good; that is to say, the infinite would exist. But the infinite in every category of perfection excludes everything else whatsoever - every kind of being and goodness, as well as every kind of non-being and evil. Yet in fact there are many kinds of being and goodness, and many kinds of non-being and evil. We think you should deal with this objection, so that the impious have no arguments left to put forward.
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      Fourthly, you say that God cannot lie or deceive. Yet there are some schoolmen who say he can. Gabriel, for example, and Ariminensis,
†1 among others, think that in the absolute sense God does lie, that is, communicate to men things which are opposed to his intentions and decrees. Thus he unconditionally said to the people of Nineveh, through the prophet, 'Yet forty days and Nineveh shall be destroyed.' And he said many other things which certainly did not occur, because he did not mean his words to correspond to his intentions or decrees. Now if God hardened Pharaoh's heart and blinded his eyes, and if he sent upon his prophets the spirit of untruthfulness, how do you conclude that we cannot be deceived by him? Cannot God treat men as a doctor treats the sick, or a father his children? In both these cases there is frequent deception though it is always employed beneficially and with wisdom. For if God were to show us the pure truth, what eye, what mental vision, could endure it?
Desc.: DV2 OBR Ob2 Mersenne ap. 126 p. 90
      It is not, however, necessary to suppose that God is a deceiver in order to explain your being deceived about matters which you think you clearly and distinctly know. The cause of this deception could lie in you, though you are wholly unaware of it. Why should it not be in your nature to be subject to constant - or at least very frequent - deception? How can you establish with certainty that you are not deceived, or capable of being deceived, in matters which you think you know clearly and distinctly? Have we not often seen people turn out to have been deceived in matters where they thought their knowledge was as clear as the sunlight? Your principle of clear and distinct knowledge thus requires a clear and distinct explanation, in such a way as to rule out the possibility that anyone of sound mind may be deceived on matters which he thinks he knows clearly and distinctly. Failing this, we do not see that any degree of certainty can possibly be within your reach or that of mankind in general.
Desc.: DV2 OBR Ob2 Mersenne ap. 126 p. 90
      Fifthly, if the will never goes astray or falls into sin so long as it is guided by the mind's clear and distinct knowledge, and if it exposes itself to danger by following a conception of the intellect which is wholly lacking in clarity and distinctness, then note what follows from this. A Turk, or any other unbeliever, not only does not sin in refusing to embrace the Christian religion, but what is more, he sins if he does embrace it, since he does not possess clear and distinct knowledge of its truth. Indeed, if this rule of yours is true, then there is almost nothing that the will is going to be allowed to embrace, since there is almost nothing that we know with the clarity and distinctness which you require for that kind of certainty which is beyond any doubt. So you see how, in your desire to champion the truth, you may end up proving too much, and thus overturn the truth rather than build it up.
Desc.: DV2 OBR Ob2 Mersenne ap. 127 p. 91
      Sixthly, in your reply to the First Set of Objections, you appear to go astray in one of your arguments, which you put as follows: 'That which we clearly and distinctly understand to belong to the true and immutable nature . . . of a thing can be truly asserted of that thing. But once we have made a sufficiently careful investigation of what God is, we clearly and distinctly understand that existence belongs to his nature.'
†1 The conclusion should have been: 'hence, once we have made a sufficiently careful investigation of what God is, we can with truth affirm that existence belongs to the nature of God'. Now it does not follow from this that God in fact exists, but merely that he would have to exist if his nature is possible, or non-contradictory. In other words, the nature or essence of God cannot be conceived apart from existence; hence, granted the essence, God really exists. This comes down to an argument which others have stated as follows: 'If there is no contradiction in God's existing, it is certain that he exists; but there is no contradiction in his existing.' The difficulty here is with the minor premiss 'but there is no contradiction in his existing': those who attack the argument either claim to doubt the truth of this premiss, or deny it outright. Moreover, the phrase in your argument 'once we have made a sufficiently clear investigation of what God is' presupposes as true something which not everyone yet accepts; indeed you yourself admit that you apprehend infinite being only in an inadequate way. And clearly the same must be said of every single attribute of God. Whatever is in God is utterly infinite; so who can for a moment apprehend any aspect of God except in what may be called an utterly inadequate manner? How then can you have 'made a sufficiently clear and distinct investigation of what God is'?
Desc.: DV2 OBR Ob2 Mersenne ap. 127 p. 91
      Seventhly, you say not one word about the immortality of the human mind. Yet this is something you should have taken special care to prove and demonstrate, to counter those people, themselves unworthy of immortality, who utterly deny and even perhaps despise it. What is more, you do not yet appear to have provided an adequate proof of the fact that the mind is distinct from every kind of body, as we mentioned under point one. We now make the additional point that it does not seem to follow from the fact that the mind is distinct from the body that it is incorruptible or immortal. What if its nature were limited by the duration of the life of the body, and God had endowed it with just so much strength and existence as to ensure that it came to an end with the death of the body?
Desc.: DV2 OBR Ob2 Mersenne ap. 128 p. 91
      These, Sir, are the points which we wanted you to clarify, so as to enable everyone to derive the utmost benefit from reading your Meditations, which are argued with great subtlety and are also, in our opinion, true. And after giving your solutions to these difficulties it would be worthwhile if you set out the entire argument in geometrical fashion, starting from a number of definitions, postulates and axioms. You are highly experienced in employing this method, and it would enable you to fill the mind of each reader so that he could see everything as it were at a single glance, and be permeated with awareness of the divine power.

Replies to Second Set
Desc.: DV2 OBR Rp2 ap. 128 p. 93
AUTHOR'S REPLIES TO THE SECOND SET OF OBJECTIONS

Gentlemen,
Desc.: DV2 OBR Rp2 ap. 128 p. 93
      I read with great pleasure the comments which you made on my little book dealing with First Philosophy. They make me appreciate both your goodwill towards me and your piety towards God and zeal to further his glory. And I cannot but be very happy, not only because you have thought my arguments worthy of examination, but also because I think I can give you a reasonably adequate reply to all the criticisms that you make.
Desc.: DV2 OBR Rp2 ap. 129 p. 93
      First, you warn me to remember that my rejection of the images of bodies as delusive was not something I actually and really carried through, but was merely a fiction of the mind, enabling me to draw the conclusion that I was a thinking thing; and I should not suppose that it followed from this that I was in fact nothing more than a mind.
†1 But I already showed that I was quite well aware of this in the Second Meditation, where I said 'Yet may it not perhaps be the case that these very things which I am supposing to be nothing, because they are unknown to me, are in reality identical with the "I" of which I am aware? I do not know, and for the moment I shall not argue the point.'†2 Here I wanted to give the reader an express warning that at that stage I was not yet asking whether the mind is distinct from the body, but was merely examining those of its properties of which I can have certain and evident knowledge. And since I did become aware of many such properties, I cannot without qualification admit your subsequent point that 'I do not yet know what a thinking thing is.' I admit that I did not yet know whether this thinking thing is identical with the body or with something different from the body; but I do not admit that I had no knowledge of it. Surely, no one's knowledge of anything has ever reached the point where he knows that there is absolutely nothing further in the thing beyond what he is already aware of. The more attributes of a thing we perceive the better we are said to know it; thus we know people whom we have lived with for some time better than those whom we only know by sight, or have merely heard of - though even they are not said to be completely unknown to us. In this sense I think I have demonstrated that the mind, considered apart from those attributes which are normally applied to the body, is better known than the body when it is considered apart from the mind. This was my sole purpose in the passage under discussion.
Desc.: DV2 OBR Rp2 ap. 130 p. 94
      But I see the suggestion you are making. Given that I wrote only six Meditations on First Philosophy, you think my readers will be surprised that the only conclusion reached in the first two Meditations is the point just mentioned; and you think that as a result they will reckon that the Meditations are extremely thin and not worth publishing. My reply is simply that I am confident that anyone who judiciously reads the rest of what I wrote will have no occasion to suspect that I was short of material. And in the case of topics which required individual attention and needed to be considered on their own, it seemed quite reasonable to deal with them separately, Meditation by Meditation.
Desc.: DV2 OBR Rp2 ap. 130 p. 94
      Now the best way of achieving a firm knowledge of reality is first to accustom ourselves to doubting all things, especially corporeal things. Although I had seen many ancient writings by the Academics and Sceptics on this subject, and was reluctant to reheat and serve this precooked material, I could not avoid devoting one whole Meditation to it. And I should like my readers not just to take the short time needed to go through it, but to devote several months, or at least weeks, to considering the topics dealt with, before going on to the rest of the book. If they do this they will undoubtedly be able to derive much greater benefit from what follows.
Desc.: DV2 OBR Rp2 ap. 130 p. 94
      All our ideas of what belongs to the mind have up till now been very confused and mixed up with the ideas of things that can be perceived by the senses. This is the first and most important reason for our inability to understand with sufficient clarity the customary assertions about the soul and God. So I thought I would be doing something worthwhile if I explained how the properties or qualities of the mind are to be distinguished from the qualities of the body. Admittedly, many people had previously said that in order to understand metaphysical matters the mind must be drawn away from the senses; but no one, so far as I know, had shown how this could be done. The correct, and in my view unique, method of achieving this is contained in my Second Meditation. But the nature of the method is such that scrutinizing it just once is not enough. Protracted and repeated study is required to eradicate the lifelong habit of confusing things related to the intellect with corporeal things, and to replace it with the opposite habit of distinguishing the two; this will take at least a few days to acquire. I think that was the best justification for my devoting the whole of the Second Meditation to this topic alone.
Desc.: DV2 OBR Rp2 ap. 131 p. 94
      You go on to ask how I demonstrate that a body is incapable of thinking.
†1 You will forgive me if I reply that I have .IS yet provided no opportunity for this question to be raised. I first dealt with the matter in the Sixth Meditation where I said 'the fact that I can clearly and distinctly understand one thing apart from another is enough to make me certain that the two things are distinct', etc. And a little later on I said:

It is true that I have a body that is very closely joined to me. But nevertheless on the one hand I have a clear and distinct idea of myself, in so far as I am a thinking, non-extended thing; and on the other hand I have a distinct idea of body, in so far as this is an extended, non-thinking thing. And accordingly it is certain that I (that is, the mind) am really distinct from my body and can exist without it.†2

From this we may easily go on to say 'whatever can think is a mind, or is called a mind; but since mind and body are in reality distinct, no body is a mind; therefore no body can think'.

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Desc.: DV2 OBR Rp2 ap. 132 p. 95
      I do not see what you can deny here. Do you claim that if we clearly understand one thing apart from another this is not sufficient for the recognition that the two things are really distinct? If so, you must provide a more reliable criterion for a real distinction - and I am confident that none can be provided. What will you suggest? Perhaps that there is a real distinction between two things if one can exist apart from the other? But now I will ask how you know that one thing can exist apart from another. You must be able to know this, if it is to serve as the criterion for a real distinction. You may say that you derive this knowledge from the
senses, since you can see, or touch etc., the one thing when the other is not present. But the evidence of the senses is less reliable than that of the intellect: it can variously happen that one and the same thing appears under different forms or in several places or in several different ways, and so be taken for two things. And, after all, if you remember the remarks about the wax at the end of the Second Meditation you will realize that bodies are not strictly speaking perceived by the senses at all, but only by the intellect;
†3 so having a sensory perception of one thing apart from another simply amounts to our having an idea of one thing and understanding that this idea is not the same as an idea of something else. The sole possible source of such understanding is that we perceive one thing apart from another, and such understanding cannot be certain unless the idea of each thing is clear and distinct. So if the proposed criterion for a real distinction is to be reliable, it must reduce to the one which I put forward.
Desc.: DV2 OBR Rp2 ap. 133 p. 95
      If there are those who claim that they do not have distinct ideas of mind and body, I can only ask them to pay careful attention to the contents of the Second Meditation. If, as may well be the case, they take the view that the formation of thoughts is due to the combined activity of parts of the brain, they should realize that this view is not based on any positive argument, but has simply arisen from the fact that, in the first place, they have never had the experience of being without a body and that, in the second place, they have frequently been obstructed by the body in their operations. It is just as if someone had had his legs permanently shackled from infancy: he would think the shackles were part of his body and that he needed them for walking.
Desc.: DV2 OBR Rp2 ap. 133 p. 96
      Secondly, when you say that we can find simply within ourselves a sufficient basis for forming the idea of God,
†1 your claim in no way differs from my own view. I expressly said at the end of the Third Meditation that 'this idea is innate in me'†2 - in other words, that it comes to me from no other source than myself. I concede also that 'we could form this idea even supposing that we did not know that the supreme being exists'; but I do not agree that we could form the idea 'even supposing that the supreme being did not exist'.†3 On the contrary, I pointed out that the whole force of the argument lies in the fact that it would be impossible for me to have the power of forming this idea unless I were created by God.†4
Desc.: DV2 OBR Rp2 ap. 134 p. 96
      Your remarks about flies, plants etc.,
†5 do not go to show that there can be a degree of perfection in the effect which was not previously present in the cause. For, since animals lack reason, it is certain that they have no perfection which is not also present in inanimate bodies; or, if they do have any such perfections, it is certain that they derive them from some other source, and that the sun, the rain and the earth are not adequate causes of animals. Suppose someone does not discern any cause cooperating in the production of a fly which possesses all the degrees of perfection possessed by the fly; suppose further that he is not sure whether there is any additional cause beyond those which he does discern: it would be quite irrational for him to take this as a basis for doubting something which, as I shall shortly explain at length, is manifest by the very light of nature.
Desc.: DV2 OBR Rp2 ap. 134 p. 96
      I would add that the claim regarding flies is based on a consideration of material things, and so it could not occur to those who follow my Meditations and direct their thought away from the things which are perceivable by the senses with the aim of philosophizing in an orderly manner.
Desc.: DV2 OBR Rp2 ap. 134 p. 96
      As for your calling the idea of God which is in us a 'conceptual entity',
†6 this is not a compelling objection. If by 'conceptual entity' is meant something which does not exist, it is not true that the idea of God is a conceptual entity in this sense. It is true only in the sense in which every operation of the intellect is a conceptual entity, that is, an entity which has its origin in thought; and indeed this entire universe can be said to be an entity originating in God's thought, that is, an entity created by a single act of the divine mind. Moreover I have already insisted in various places that I am dealing merely with the objective perfection or reality of an idea; and this, no less than the objective intricacy in the idea of a machine of very ingenious design, requires a cause which contains in reality whatever is contained merely objectively in the idea.
Desc.: DV2 OBR Rp2 ap. 135 p. 97
      I do not see what I can add to make it any clearer that the idea in question could not be present to my mind unless a supreme being existed. I can only say that it depends on the reader: if he attends carefully to what I have written he should be able to free himself from the preconceived opinions which may be eclipsing his natural light, and to accustom himself to believing in the primary notions, which are as evident and true as anything can be, in preference to opinions which are obscure and false, albeit fixed in the mind by long habit.
Desc.: DV2 OBR Rp2 ap. 135 p. 97
      The fact that 'there is nothing in the effect which was not previously present in the cause, either in a similar or in a higher form' is a primary notion which is as clear as any that we have; it is just the same as the common notion 'Nothing comes from nothing.' For if we admit that there is something in the effect that was not previously present in the cause, we shall also have to admit that this something was produced by nothing. And the reason why nothing cannot be the cause of a thing is simply that such a cause would not contain the same features as are found in the effect.
Desc.: DV2 OBR Rp2 ap. 135 p. 97
      It is also a primary notion that 'all the reality or perfection which is present in an idea merely objectively must be present in its cause either formally or eminently'.
†1 This is the sole basis for all the beliefs we have ever had about the existence of things located outside our mind. For what could ever have led us to suspect that such things exist if not the simple fact that ideas of these things reach our mind by means of the senses?
Desc.: DV2 OBR Rp2 ap. 135 p. 97
      Those who give the matter their careful attention and spend time meditating with me will clearly see that there is within us an idea of a supremely powerful and perfect being, and also that the objective reality of this idea cannot be found in us, either formally or eminently. I cannot force this truth on my readers if they are lazy, since it depends solely on their exercising their own powers of thought.
Desc.: DV2 OBR Rp2 ap. 136 p. 97
      The very manifest conclusion from all this is that God exists. But there may be some whose natural light is so meagre that they do not see that it is a primary notion that every perfection that is present objectively in an idea must really exist in some cause of the idea. For their benefit I provided an even more straightforward demonstration of God's existence based on the fact that the mind which possesses the idea of God cannot derive its existence from itself.
†1 So I do not see what more is required to make you surrender.
Desc.: DV2 OBR Rp2 ap. 136 p. 98
      You suggest that I may have derived the idea which gives me my representation of God from preconceived notions of the mind, from books, conversations with friends etc., and not from my mind alone.
†2 But there is no force in this suggestion. If I ask these other people (from whom I have allegedly got this idea) whether they derive it from themselves or from someone else, the argument proceeds in the same way as it does if I ask the same question of myself: my conclusion will always be that the original source of the idea is God.
Desc.: DV2 OBR Rp2 ap. 136 p. 98
      Your further comment that the idea of God could have been formed from a previous examination of corporeal things seems to me just as implausible as saying that we have no faculty of hearing but acquire knowledge of sounds simply from seeing colours. Indeed, there seems to be a greater analogy or parity between colours and sounds than there is between corporeal things and God. When you ask me to 'add something further which lifts us up to an incorporeal or spiritual plane',
†3 I cannot do better than refer you to my Second Meditation, in the hope that you will see that it is at least good for something. For what could I accomplish here in one or two sentences, if the lengthy account which I gave there - which was designed with this sole aim in mind, and to which I think I devoted as much effort as to anything I have ever written - failed to achieve anything at all?
Desc.: DV2 OBR Rp2 ap. 137 p. 98
      The fact that I dealt only with the human mind in the Second Meditation is no drawback here. For I readily and freely confess that the idea which we have of the divine intellect, for example, does not differ from that which we have of our own intellect, except in so far as the idea of an infinite number differs from the idea of a number raised to the second or fourth power. And the same applies to the individual attributes of God of which we recognize some trace in ourselves.
Desc.: DV2 OBR Rp2 ap. 137 p. 98
      But in addition to this, our understanding tells us that there is in God an absolute immensity, simplicity and unity which embraces all other attributes and has no copy in us, but is, as I have said before, 'like the mark of the craftsman stamped on his work'.
†4 In virtue of this we recognize that, of all the individual attributes which, by a defect of our intellect, we assign to God in a piecemeal fashion, corresponding to the way in which we perceive them in ourselves, none belong to God and to ourselves in the same sense. Moreover, there are many indefinite particulars of which we have an idea, such as indefinite (or infinite) knowledge and power, as well as number and length and so on, that are also infinite. Now we recognize that some of these (such as knowledge and power) are contained formally in the idea of God, whereas others (such as number and length) are contained in the idea merely eminently. And this would surely not be the case if the idea of God within us were merely a figment of our minds.

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Desc.: DV2 OBR Rp2 ap. 138 p. 99
      If the idea were a mere figment, it would not be consistently conceived by everyone in the same manner. It is very striking that metaphysicians unanimously agree in their descriptions of the attributes of God (at least in the case of those which can be known solely by human reason). You will find that there is much more disagreement among philosophers about the nature of anything which is physical or perceivable by the senses, however firm or concrete our idea of it may be.
Desc.: DV2 OBR Rp2 ap. 138 p. 99
      No one can possibly go wrong when he tries to form a correct conception of the idea of God, provided he is willing to attend to the nature of a supremely perfect being. But some people muddle things up by including other attributes, which leads them to speak in a contradictory way: they construct an imaginary idea of God, and then - quite reasonably - go on to say that the God who is represented by this muddled idea does not exist. Thus, when you talk of an 'utterly perfect corporeal being',
†1 and take the term 'utterly perfect' in its absolute sense, so that a corporeal being is taken to be a being in which all perfections are found, you are uttering a contradiction. The very nature of a body implies many imperfections, such as its divisibility into parts, the fact that each of its parts is different and so on; for it is self-evident that it is a greater perfection to be undivided than to be divided, and so on. If on the other hand by 'a perfect body' you simply mean that which is as perfect as a body can be, this will not be God.
Desc.: DV2 OBR Rp2 ap. 138 p. 99
      As for your further point about the idea of an angel, namely that even though we are less perfect than an angel, there is no need for the idea to be produced in us by an angel,
†2 I quite agree. I myself observed in the Third Meditation that the idea can be put together from the ideas which we have of God and of man.†3 So what you say does not in any way go against my position.
Desc.: DV2 OBR Rp2 ap. 139 p. 99
      As for those who deny that they have the idea of God, but in its place form some image etc., although they reject the name, they concede the reality. I do not myself think that the idea is of the same kind as the images of material things which are pictured in the imagination; I maintain it is simply that which we perceive with the intellect, when the intellect apprehends, or judges, or reasons. Now in my thought or intellect I can somehow come upon a perfection that is above me; thus I notice that, when I count, I cannot reach a largest number, and hence I recognize that there is something in the process of counting which exceeds my powers. And I contend that from this alone it necessarily follows, not that an infinite number exists, nor indeed that it is a contradictory notion, as you say, but that I have the power of conceiving that there is a thinkable number which is larger than any number that I can ever think of, and hence that this power is something which I have received not from myself but from some other being which is more perfect than I am.
Desc.: DV2 OBR Rp2 ap. 139 p. 100
      It is irrelevant whether or not this concept of an indefinitely large number is called an 'idea'. But in order to understand what this being is which is more perfect than myself, and whether it is the infinite number itself, which really exists, or something else, we must consider not just the power of endowing me with the idea in question, but also all the other attributes which can exist in the being that is the source of the idea. And as a result we shall find that it can only be God.
Desc.: DV2 OBR Rp2 ap. 140 p. 100
      Finally, when it is said that God 'cannot be thought of', this refers to the kind of thought that has an adequate grasp of God, not to the inadequate thought which we possess, and which is quite sufficient for knowledge of the existence of God. It is not important that the idea of the unity of all the perfections of God is said to be formed in the same way as the Porphyrian universals.
†1 But there is a crucial difference, in that the idea in question denotes a certain positive perfection peculiar to God, whereas generic unity adds nothing real to the nature of the single individuals concerned.
Desc.: DV2 OBR Rp2 ap. 140 p. 100
      Thirdly, when I said that we can know nothing for certain until we are aware that God exists,
†2 I expressly declared that I was speaking only of knowledge of those conclusions which can be recalled when we are no longer attending to the arguments by means of which we deduced them.†3 Now awareness of first principles is not normally called 'knowledge' by dialectitians. And when we become aware that we are thinking things, this is a primary notion which is not derived by means of any syllogism. When someone says 'I am thinking, therefore I am, or I exist', he does not deduce existence from thought by means of a syllogism, but recognizes it as something self-evident by a simple intuition of the mind. This is clear from the fact that if he were deducing it by means of a syllogism, he would have to have had previous knowledge of the major premiss 'Everything which thinks is, or exists'; yet in fact he learns it from experiencing in his own case that it is impossible that he should think without existing. It is in the nature of our mind to construct general propositions on the basis of our knowledge of particular ones.
Desc.: DV2 OBR Rp2 ap. 141 p. 101
      The fact that an atheist can be 'clearly aware that the three angles of a triangle are equal to two right angles'
†1 is something I do not dispute. But I maintain that this awareness of his is not true knowledge, since no act of awareness that can be rendered doubtful seems fit to be called knowledge.†2 Now since we are supposing that this individual is an atheist, he cannot be certain that he is not being deceived on matters which seem to him to be very evident (as I fully explained). And although this doubt may not occur to him, it can still crop up if someone else raises the point or if he looks into the matter himself. So he will never be free of this doubt until he acknowledges that God exists.
Desc.: DV2 OBR Rp2 ap. 141 p. 101
      It does not matter that the atheist may think he has demonstrations to prove that there is no God. For, since these proofs are quite unsound, it will always be possible to point out their flaws to him, and when this happens he will have to abandon his view.
Desc.: DV2 OBR Rp2 ap. 141 p. 101
      It will be quite easy to make him do this if all he can produce by way of demonstration is the claim that you introduce at this point, namely that the infinite in every category of perfection excludes every other entity whatsoever, etc.
†3 First, we may ask how he knows that this exclusion of all other entities belongs to the nature of the infinite. He will have no reasonable reply to make to this, since the term 'infinite' is not generally taken to mean something which excludes the existence of finite things.
And, what is more, his knowledge of the nature of the infinite - since he regards it as a nonentity and hence as not having a real nature - must be restricted to what is contained in the mere verbal definition of the term which he has learned from others. Secondly, what would the infinite power of this imaginary infinite amount to, if it could never create anything? Finally, the fact that we notice some power of thought within ourselves makes it easy for us to conceive that some other being may also have such a power, and that it is greater than our own. But even if we suppose that this power is increased to infinity, we do not on that account fear that our own power thereby diminishes. The same holds good for all the other attributes we ascribe to God, including power (provided we remember that any power that we possess is subject to the will of God). And hence God can be understood to be infinite without this in any way excluding the existence of created things.
Desc.: DV2 OBR Rp2 ap. 142 p. 101
      Fourthly, in saying that God does not lie, and is not a deceiver,
†4 I think I am in agreement with all metaphysicians and theologians past and future. The points you make against this have no more force than if I had said that God is not subject to anger or other emotions, and you were to produce as counter-examples passages from Scripture where human feelings are attributed to God. As everyone knows, there are two quite distinct ways of speaking about God. The first is appropriate for ordinary understanding and does contain some truth, albeit truth which is relative to human beings; and it is this way of speaking that is generally employed in Holy Scripture. The second way of speaking comes closer to expressing the naked truth - truth which is not relative to human beings; it is this way of speaking that everyone ought to use when philosophizing, and that I had a special obligation to use in my Meditations, since my supposition there was that no other human beings were yet known to me, and moreover I was considering myself not as consisting of mind and body but solely as a mind. It is very clear from this that my remarks in the Meditations were concerned not with the verbal expression of lies, but only with malice in the formal sense, the internal malice which is involved in deception.
Desc.: DV2 OBR Rp2 ap. 143 p. 102
      However, the words of the prophet which you cite - 'Yet forty days and Nineveh shall be destroyed' - were not even a verbal lie but simply a threat, the fulfilment of which was conditional on a particular eventuality. And when God is said to have 'hardened the heart of Pharaoh', or words to that effect, this should not be taken to mean that he brought this about in a positive sense; he merely hardened Pharaoh's heart in a negative sense, by not bestowing on him the grace which would have brought about his change of heart. Nevertheless, I would not want to criticize those who allow that through the mouths of the prophets God can produce verbal untruths which, like the lies of doctors who deceive their patients in order to cure them, are free of any malicious intent to deceive.
Desc.: DV2 OBR Rp2 ap. 143 p. 102
      Nevertheless - and this is a more important point - from time to time it does appear that we are really deceived by the natural instinct which God gave us, as in the case of the thirst felt by those who suffer from dropsy. These patients have a positive impulse to drink which derives from the nature God has bestowed on the body in order to preserve it; yet this nature does deceive them because on this occasion the drink will have a harmful effect. Nevertheless, this is not inconsistent with the goodness or veracity of God, and I have explained why in the Sixth Meditation.
†1
Desc.: DV2 OBR Rp2 ap. 143 p. 102
      In the case of our clearest and most careful judgements, however, this kind of explanation would not be possible, for if such judgements were false they could not be corrected by any clearer judgements or by means of any other natural faculty. In such cases I simply assert that it is impossible for us to be deceived. Since God is the supreme being, he must also be supremely good and true, and it would therefore be a contradiction that anything should be created by him which positively tends towards falsehood. Now everything real which is in us must have been bestowed on us by God (this was proved when his existence was proved); moreover, we have a real faculty for recognizing the truth and distinguishing it from falsehood, as is clear merely from the fact that we have within us ideas of truth and falsehood. Hence this faculty must tend towards the truth, at least when we use it correctly (that is, by assenting only to what we clearly and distinctly perceive, for no other correct method of employing this faculty can be imagined). For if it did not so tend then, since God gave it to us, he would rightly have to be regarded as a deceiver.
Desc.: DV2 OBR Rp2 ap. 144 p. 103
      Hence you see that once we have become aware that God exists it is necessary for us to imagine that he is a deceiver if we wish to cast doubt on what we clearly and distinctly perceive. And since it is impossible to imagine that he is a deceiver, whatever we clearly and distinctly perceive must be completely accepted as true and certain.

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Desc.: DV2 OBR Rp2 ap. 144 p. 103
      But since I see that you are still stuck fast in the doubts which I put forward in the First Meditation, and which I thought I had very carefully removed in the succeeding Meditations, I shall now expound for a second time the basis on which it seems to me that all human certainty can be founded.
Desc.: DV2 OBR Rp2 ap. 144 p. 103
      First of all, as soon as we think that we correctly perceive something, we are spontaneously convinced that it is true. Now if this conviction is so firm that it is impossible for us ever to have any reason for doubting what we are convinced of, then there are no further questions for us to ask: we have everything that we could reasonably want. What is it to us that someone may make out that the perception whose truth we are so firmly convinced of may appear false to God or an angel, so that it is, absolutely speaking, false? Why should this alleged 'absolute falsity' bother us, since we neither believe in it nor have even the smallest suspicion of it? For the supposition which we are making here is of a conviction so firm that it is quite incapable of being destroyed; and such a conviction is clearly the same as the most perfect certainty.
Desc.: DV2 OBR Rp2 ap. 145 p. 103
      But it may be doubted whether any such certainty, or firm and immutable conviction, is in fact to be had.
Desc.: DV2 OBR Rp2 ap. 145 p. 103
      It is clear that we do not have this kind of certainty in cases where our perception is even the slightest bit obscure or confused; for such obscurity, whatever its degree, is quite sufficient to make us have doubts in such cases. Again, we do not have the required kind of certainty with regard to matters which we perceive solely by means of the senses, however clear such perception may be. For we have often noted that error can be detected in the senses, as when someone with dropsy feels thirsty or when someone with jaundice sees snow as yellow; for when he sees it as yellow he sees it just as clearly and distinctly as we do when we see it as white. Accordingly, if there is any certainty to be had, the only remaining alternative is that it occurs in the clear perceptions of the intellect and nowhere else.
Desc.: DV2 OBR Rp2 ap. 145 p. 104
      Now some of these perceptions are so transparently clear and at the same time so simple that we cannot ever think of them without believing them to be true. The fact that I exist so long as I am thinking, or that what is done cannot be undone, are examples of truths in respect of which we manifestly possess this kind of certainty. For we cannot doubt them unless we think of them; but we cannot think of them without at the same time believing they are true, as was supposed. Hence we cannot doubt them without at the same time believing they are true; that is, we can never doubt them.
Desc.: DV2 OBR Rp2 ap. 146 p. 104
      It is no objection to this to say that we have often seen people 'turn out to have been deceived in matters where they thought their knowledge was as clear as the sunlight'.
†1 For we have never seen, indeed no one could possibly see, this happening to those who have relied solely on the intellect in their quest for clarity in their perceptions; we have seen it happen only to those who tried to derive such clarity from the senses or from some false preconceived opinion.
Desc.: DV2 OBR Rp2 ap. 146 p. 104
      It is also no objection for someone to make out that such truths might appear false to God or to an angel. For the evident clarity of our perceptions does not allow us to listen to anyone who makes up this kind of story.
Desc.: DV2 OBR Rp2 ap. 146 p. 104
      There are other truths which are perceived very clearly by our intellect so long as we attend to the arguments on which our knowledge of them depends; and we are therefore incapable of doubting them during this time. But we may forget the arguments in question and later remember simply the conclusions which were deduced from them. The question will now arise as to whether we possess the same firm and immutable conviction concerning these conclusions, when we simply recollect that they were previously deduced from quite evident principles (our ability to call them 'conclusions' presupposes such a recollection). My reply is that the required certainty is indeed possessed by those whose knowledge of God enables them to understand that the intellectual faculty which he gave them cannot but tend towards the truth; but the required certainty is not possessed by others. This point was explained so clearly at the end of the Fifth Meditation
†1 that it does not seem necessary to add anything further here.
Desc.: DV2 OBR Rp2 ap. 147 p. 105
      Fifthly, I am surprised at your denying that the will exposes itself to danger by following a conception of the intellect which is wholly lacking in clarity and distinctness.
†2 What can give the will certainty if it follows a perception which is not clear? Every philosopher and theologian - indeed everyone who uses his reason - agrees that the more clearly we understand something before giving our assent to it, the smaller is the risk we run of going wrong; and, by contrast, those who make a judgement when they are ignorant of the grounds on which it is based are the ones who go astray. Whenever we call a conception obscure or confused this is because it contains some element of which we are ignorant.
Desc.: DV2 OBR Rp2 ap. 147 p. 105
      It follows that your objection concerning the faith which should be embraced
†3 has no more force against me than it does against anyone who has ever developed the power of human reason - indeed, it has no force against anyone at all. For although it is said that our faith concerns matters which are obscure, the reasons for embracing the faith are not obscure but on the contrary are clearer than any natural light. We must distinguish between the subject-matter, or the thing itself which we assent to, and the formal reason which induces the will to give its assent: it is only in respect of the reason that transparent clarity is required. As for the subject-matter, no one has ever denied that it may be obscure - indeed obscurity itself. When I judge that obscurity must be removed from our conceptions to enable us to assent to them without any danger of going wrong, this very obscurity is the subject concerning which I form a clear judgement. It should also be noted that the clarity or transparency which can induce our will to give its assent is of two kinds: the first comes from the natural light, while the second comes from divine grace. Now although it is commonly said that faith concerns matters which are obscure, this refers solely to the thing or subject-matter to which our faith relates; it does not imply that the formal reason which leads us to assent to matters of faith is obscure. On the contrary, this formal reason consists in a certain inner light which comes from God, and when we are supernaturally illumined by it we are confident that what is put forward for us to believe has been revealed by God himself. And it is quite impossible for him to lie; this is more certain than any natural light, and is often even more evident because of the light of grace.
Desc.: DV2 OBR Rp2 ap. 148 p. 105
      The sin that Turks and other infidels commit by refusing to embrace the Christian religion does not arise from their unwillingness to assent to obscure matters (for obscure they indeed are), but from their resistance to the impulses of divine grace within them, or from the fact that they make themselves unworthy of grace by their other sins. Let us take the case of an infidel who is destitute of all supernatural grace and has no knowledge of the doctrines which we Christians believe to have been revealed by God. If, despite the fact that these doctrines are obscure to him, he is induced to embrace them by fallacious arguments, I make bold to assert that he will not on that account be a true believer, but will instead be committing a sin by not using his reason correctly. And I think that all orthodox theologians have always taken a similar view on this matter. Furthermore, those who read my books will not be able to suppose that I did not recognize this supernatural light, since I expressly stated in the Fourth Meditation, where I was looking into the cause of falsity, that it produces in our inmost thought a disposition to will, without lessening our freedom.
†1
Desc.: DV2 OBR Rp2 ap. 149 p. 106
      However, I should like you to remember here that, in matters which may be embraced by the will, I made a very careful distinction between the conduct of life and the contemplation of the truth. As far as the conduct of life is concerned, I am very far from thinking that we should assent only to what is clearly perceived. On the contrary, I do not think that we should always wait even for probable truths; from time to time we will have to choose one of many alternatives about which we have no knowledge, and once we have made our choice, so long as no reasons against it can be produced, we must stick to it as firmly as if it had been chosen for transparently clear reasons. I explained this on p. 26 of the Discourse on the Method.
†2 But when we are dealing solely with the contemplation of the truth, surely no one has ever denied that we should refrain from giving assent to matters which we do not perceive with sufficient distinctness. Now in my Meditations I was dealing solely with the contemplation of the truth; the whole enterprise shows this to be the case, as well as my express declaration at the end of the First Meditation where I said that I could not possibly go too far in my distrustful attitude, since the task in hand involved not action but merely the acquisition of knowledge.†3
Desc.: DV2 OBR Rp2 ap. 149 p. 106
      Sixthly, in the passage where you criticize the conclusion of a syllogism which I produced,
†4 it is you who seem to have made a mistake in the argument. In order to get the conclusion you want, you should have stated the major premiss as follows: 'That which we clearly understand to belong to the nature of something can be truly asserted to belong to its nature'; and if the premiss is put like this, it contains nothing but a useless tautology. But my major premiss was this: 'That which we clearly understand to belong to the nature of something can truly be affirmed of that thing.' Thus if being an animal belongs to the nature of man, it can be affirmed that man is an animal; and if having three angles equal to two right angles belongs to the nature of a triangle, it can be affirmed that a triangle has three angles equal to two right angles; and if existence belongs to the nature of God, it can be affirmed that God exists, and so on. Now the minor premiss of my argument was: 'yet it belongs to the nature of God that he exists'. And from these two premisses the evident conclusion to be drawn is the one which I drew: 'Therefore it can truly be affirmed of God that he exists.' The correct conclusion is not, as you want to argue: 'Therefore we can with truth affirm that existence belongs to the nature of God.'
Desc.: DV2 OBR Rp2 ap. 150 p. 107
      Hence, to deploy the objection which you go on to make, you should have denied the major premiss and said instead 'What we clearly understand to belong to the nature of a thing cannot for that reason be affirmed of that thing unless its nature is possible, or non-contradictory.' But please notice how weak this qualification is. If by 'possible' you mean what everyone commonly means, namely 'whatever does not conflict with our human concepts', then it is manifest that the nature of God, as I have described it, is possible in this sense, since I supposed it to contain only what, according to our clear and distinct perceptions, must belong to it; and hence it cannot conflict with our concepts. Alternatively, you may well be imagining some other kind of possibility which relates to the object itself; but unless this matches the first sort of possibility it can never be known by the human intellect, and so it does not so much support a denial of God's nature and existence as serve to undermine every other item of human knowledge. For as far as our concepts are concerned there is no impossibility in the nature of God; on the contrary, all the attributes which we include in the concept of the divine nature are so interconnected that it seems to us to be self-contradictory that any one of them should not belong to God. Hence, if we deny that the nature of God is possible, we may just as well deny that the angles of a triangle are equal to two right angles, or that he who is actually thinking exists; and if we do this it will be even more appropriate to deny that anything we acquire by means of the senses is true. The upshot will be that all human knowledge will be destroyed, though for no good reason.
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      I now turn to the argument which you compare with my own, viz. 'If there is no contradiction in God's existing it is certain that he exists; but there is no contradiction in his existing; therefore' etc.
†1 Although materially true, this argument is formally a sophism. For in the major premiss the term 'contradiction' applies to the concept of the cause on which the possibility of God's existence depends; in the minor premiss, however, it applies simply to the concept of the divine existence and nature itself. This is clear from the fact that if the major premiss is denied the proof will have to go as follows: 'If God does not yet exist, it is a contradiction that he should exist, since there can be no cause which is sufficient to bring him into existence; but (as was assumed), there is no contradiction in his existing; hence' etc. If on the other hand the minor premiss is denied, the proof will have to be stated thus: 'There is no contradiction in something if there is nothing in its formal concept which implies a contradiction; but there is nothing in the formal concept of the divine existence or nature which implies a contradiction; hence' etc. These two proofs are very different. For it may be, with respect to a given thing, that we understand there to be nothing in the thing itself that precludes the possibility of its existence, while at the same time, from the causal point of view, we understand there to be something that prevents its being brought into existence.

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Desc.: DV2 OBR Rp2 ap. 152 p. 108
      But even if we conceive of God only in an inadequate or, if you like, 'utterly inadequate' way,
†1 this does not prevent its being certain that his nature is possible, or not self-contradictory. Nor does it prevent our being able truly to assert that we have examined his nature with sufficient clarity (that is, with as much clarity as is necessary to know that his nature is possible and also to know that necessary existence belongs to this same divine nature). All self-contradictoriness or impossibility resides solely in our thought, when we make the mistake of joining together mutually inconsistent ideas; it cannot occur in anything which is outside the intellect. For the very fact that something exists outside the intellect manifestly shows that it is not self-contradictory but possible. Self-contradictoriness in our concepts arises merely from their obscurity and confusion: there can be none in the case of clear and distinct concepts. Hence, in the case of the few attributes of God which we do perceive, it is enough that we understand them clearly and distinctly, even though our understanding is in no way adequate. And the fact that, amongst other things, we notice that necessary existence is contained in our concept of God (however inadequate that concept may be) is enough to enable us to assert both that we have examined his nature with sufficient clarity, and that his nature is not self-contradictory.
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      Seventhly, as to why I wrote nothing concerning the immortality of the soul, I did already explain this in the Synopsis of my Meditations.
†2 And, as I have shown above, I did provide an adequate proof of the fact that the soul is distinct from every body. However, you go on to say that it does not follow from the fact that the soul is distinct from the body that it is immortal, since it could still be claimed that God gave it such a nature that its duration comes to an end simultaneously with the end of the body's life.†1 Here I admit that I cannot refute what you say. For I do not take it upon myself to try to use the power of human reason to settle any of those matters which depend on the free will of God. Our natural knowledge tells us that the mind is distinct from the body, and that it is a substance. But in the case of the human body, the difference between it and other bodies consists merely in the arrangement of the limbs and other accidents of this sort;†2 and the final death of the body depends solely on a division or change of shape. Now we have no convincing evidence or precedent to suggest that the death or annihilation of a substance like the mind must result from such a trivial cause as a change in shape, for this is simply a mode, and what is more not a mode of the mind, but a mode of the body which is really distinct from the mind. Indeed, we do not even have any convincing evidence or precedent to suggest that any substance can perish. And this entitles us to conclude that the mind, in so far as it can be known by natural philosophy, is immortal.
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      But if your question concerns the absolute power of God, and you are asking whether he may have decreed that human souls cease to exist precisely when the bodies which he joined to them are destroyed, then it is for God alone to give the answer. And since God himself has revealed to us that this will not occur, there remains not even the slightest room for doubt on this point.
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      It remains for me to thank you for the helpful and frank way in which you have been kind enough to bring to my notice not only the points which have struck you, but also those which might be raised by atheists and other hostile critics. As far as I can see, all the objections which you raise are ones which I have already answered or ruled out in advance in the Meditations. As to the points about the flies generated by the sun, the natives of Canada, the inhabitants of Nineveh, the Turks and so on,
†3 the objections you raise cannot occur to those who follow the road which I have indicated and who lay aside for a time whatever they have acquired from the senses, so as to attend to dictates of pure and uncorrupted reason. Hence I thought that I had already adequately ruled out such objections in advance. But despite this, I take the view that these objections of yours will greatly assist my enterprise. For I expect that hardly any of my readers will be prepared to give such careful attention to everything I have written that they will remember all the contents by the time they come to the end. Those who do not remember everything may easily fall prey to certain doubts; and they will subsequently see that their doubts have been dealt with in these replies of mine, or failing that, these replies will at least give them the opportunity to examine the truth more deeply.
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      I now turn to your proposal that I should set out my arguments in geometrical fashion to enable the reader to perceive them 'as it were at a single glance'.
†1 It is worth explaining here how far I have already followed this method, and how far I think it should be followed in future. I make a distinction between two things which are involved in the geometrical manner of writing, namely, the order, and the method of demonstration.
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      The order consists simply in this. The items which are put forward first must be known entirely without the aid of what comes later; and the remaining items must be arranged in such a way that their demonstration depends solely on what has gone before. I did try to follow this order very carefully in my Meditations, and my adherence to it was the reason for my dealing with the distinction between the mind and the body only at the end, in the Sixth Meditation, rather than in the Second. It also explains why I deliberately and knowingly omitted many matters which would have required an explanation of an even larger number of things.
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      As for the method of demonstration, this divides into two varieties: the first proceeds by analysis and the second by synthesis.
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      Analysis shows the true way by means of which the thing in question was discovered methodically and as it were a priori,
†2 so that if the reader is willing to follow it and give sufficient attention to all points, he will make the thing his own and understand it just as perfectly as if he had discovered it for himself. But this method contains nothing to compel belief in an argumentative or inattentive reader; for if he fails to attend even to the smallest point, he will not see the necessity of the conclusion. Moreover there are many truths which - although it is vital to be aware of them - this method often scarcely mentions, since they are transparently clear to anyone who gives them his attention.
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      Synthesis, by contrast, employs a directly opposite method where the search is, as it were, a posteriori (though the proof itself is often more a priori than it is in the analytic method).
†1 It demonstrates the conclusion clearly and employs a long series of definitions, postulates, axioms, theorems and problems, so that if anyone denies one of the conclusions it can be shown at once that it is contained in what has gone before, and hence the reader, however argumentative or stubborn he may be, is compelled to give his assent. However, this method is not as satisfying as the method of analysis, nor does it engage the minds of those who are eager to learn, since it does not show how the thing in question was discovered.
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      It was synthesis alone that the ancient geometers usually employed in their writings. But in my view this was not because they were utterly ignorant of analysis, but because they had such a high regard for it that they kept it to themselves like a sacred mystery.
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      Now it is analysis which is the best and truest method of instruction, and it was this method alone which I employed in my Meditations. As for synthesis, which is undoubtedly what you are asking me to use here, it is a method which it may be very suitable to deploy in geometry as a follow-up to analysis, but it cannot so conveniently be applied to these metaphysical subjects.
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      The difference is that the primary notions which are presupposed for the demonstration of geometrical truths are readily accepted by anyone, since they accord with the use of our senses. Hence there is no difficulty there, except in the proper deduction of the consequences, which can be done even by the less attentive, provided they remember what has gone before. Moreover, the breaking down of propositions to their smallest elements is specifically designed to enable them to be recited with ease so that the student recalls them whether he wants to or not.
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      In metaphysics by contrast there is nothing which causes so much effort as making our perception of the primary notions clear and distinct. Admittedly, they are by their nature as evident as, or even more evident than, the primary notions which the geometers study; but they conflict with many preconceived opinions derived from the senses which we have got into the habit of holding from our earliest years, and so only those who really concentrate and meditate and withdraw their minds from corporeal things, so far as is possible, will achieve perfect knowledge of them. Indeed, if they were put forward in isolation, they could easily be denied by those who like to contradict just for the sake of it.
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      This is why I wrote 'Meditations' rather than 'Disputations', as the philosophers have done, or 'Theorems and Problems', as the geometers would have done. In so doing I wanted to make it clear that I would have nothing to do with anyone who was not willing to join me in meditating and giving the subject attentive consideration. For the very fact that someone braces himself to attack the truth makes him less suited to perceive it, since he will be withdrawing his consideration from the convincing arguments which support the truth in order to find counter-arguments against it.
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      But at this point someone may raise the following objection: 'When we know that the proposition before us is true, we certainly should not look for arguments to contradict it; but so long as we remain in doubt about its truth it is right to deploy all the arguments on either side in order to find out which are the stronger. Nor does it seem that I am making a fair demand if I expect my arguments to be accepted as correct before they have been scrutinized, while at the same time prohibiting consideration of any counter-arguments.'

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Desc.: DV2 OBR Rp2 ap. 158 p. 112
      This is not a just criticism. For the arguments in respect of which I ask my readers to be attentive and not argumentative are not of a kind which could possibly divert their attention from any other arguments which have even the slightest chance of containing more truth than is to be found in mine. Now my exposition includes the highest level of doubt about everything, and I cannot recommend too strongly that each item should be scrutinized with the utmost care, so that absolutely nothing is accepted unless it has been so clearly and distinctly perceived that we cannot but assent to it. By contrast, the only opinions I want to steer my readers' minds away from are those which they have never properly examined - opinions which they have acquired not on the basis of any firm reasoning but from the senses alone. So in my view no one who restricts his consideration to my propositions can possibly think he runs a greater risk of error than he would incur by turning his mind away and directing it to other propositions which are in a sense opposed to mine and which reveal only darkness (i.e. the preconceived opinions of the senses).
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      I am therefore right to require particularly careful attention from my readers; and the style of writing that I selected was one which I thought would be most capable of generating such attention. I am convinced that my readers will derive more benefit from this than they will themselves realize; for when the synthetic method of writing is used, people generally think that they have learned more than is in fact the case. In addition, I think it is fair for me to reject out of hand, and despise as worthless, the verdict given on my work by those who refuse to meditate with me and who stick to their preconceived opinions.
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      But I know that even those who do concentrate, and earnestly pursue the truth, will find it very difficult to take in the entire structure of my Meditations, while at the same time having a distinct grasp of the individual parts that make it up. Yet I reckon that both the overall and the detailed scrutiny is necessary if the reader is to derive the full benefit from my work. I shall therefore append here a short exposition in the synthetic style, which will, I hope, assist my readers a little. But they must please realize that I do not intend to include as much material as I put in the Meditations, for if I did so I should have to go on much longer than I did there. And even the items that I do include will not be given a fully precise explanation. This is partly to achieve brevity and partly to prevent anyone supposing that what follows is adequate on its own. Anyone who thinks this may give less careful attention to the Meditations themselves; yet I am convinced that it is the Meditations which will yield by far the greater benefit.

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Arguments
proving the existence of God and the distinction
between the soul and the body
arranged in geometrical fashion

DEFINITIONS

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      I. Thought. I use this term to include everything that is within us in such a way that we are immediately aware of it. Thus all the operations of the will, the intellect, the imagination and the senses are thoughts. I say 'immediately' so as to exclude the consequences of thoughts; a voluntary movement, for example, originates in a thought but is not itself a thought.
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      II. Idea. I understand this term to mean the form of any given thought, immediate perception of which makes me aware of the thought. Hence, whenever I express something in words, and understand what I am saying, this very fact makes it certain that there is within me an idea of what is signified by the words in question. Thus it is not only the images depicted in the imagination which I call 'ideas'. Indeed, in so far as these images are in the corporeal imagination, that is, are depicted in some part of the brain, I do not call them 'ideas' at all; I call them 'ideas' only in so far as they give form to the mind itself, when it is directed towards that part of the brain.
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      III. Objective reality of an idea. By this I mean the being of the thing which is represented by an idea, in so far as this exists in the idea. In the same way we can talk of 'objective perfection', 'objective intricacy' and so on. For whatever we perceive as being in the objects of our ideas exists objectively in the ideas themselves.
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      IV. Whatever exists in the objects of our ideas in a way which exactly corresponds to our perception of it is said to exist formally in those objects. Something is said to exist eminently in an object when, although it does not exactly correspond to our perception of it, its greatness is such that it can fill the role of that which does so correspond.
†1
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      V. Substance. This term applies to every thing in which whatever we perceive immediately resides, as in a subject, or to every thing by means of which whatever we perceive exists. By 'whatever we perceive' is meant any property, quality or attribute of which we have a real idea. The only idea we have of a substance itself, in the strict sense, is that it is the thing in which whatever we perceive (or whatever has objective being in one of our ideas) exists, either formally or eminently. For we know by the natural light that a real attribute cannot belong to nothing.
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      VI. The substance in which thought immediately resides is called mind. I use the term 'mind' rather than 'soul' since the word 'soul' is ambiguous and is often applied to something corporeal.
†2
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      VII. The substance which is the immediate subject of local extension and of the accidents which presuppose extension, such as shape, position, local motion and so on, is called body. Whether what we call mind and body are one and the same substance, or two different substances, is a question which will have to be dealt with later on.
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      VIII. The substance which we understand to be supremely perfect, and in which we conceive absolutely nothing that implies any defect or limitation in that perfection, is called God.
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      IX. When we say that something is contained in the nature or concept of a thing, this is the same as saying that it is true of that thing, or that it can be asserted of that thing.
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      X. Two substances are said to be really distinct when each of them can exist apart from the other.

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POSTULATES †3

The first request I make of my readers is that they should realize how feeble are the reasons that have led them to trust their senses up till now, and how uncertain are all the judgements that they have built up on the basis of the senses. I ask them to reflect long and often on this point, till they eventually acquire the habit of no longer placing too much trust in the senses. In my view this is a prerequisite for perceiving the certainty that belongs to metaphysical things.

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Desc.: DV2 OBR Rp2 ap. 162 p. 115
      Secondly, I ask them to reflect on their own mind, and all its attributes. They will find that they cannot be in doubt about these, even though they suppose that everything they have ever acquired from their senses is false. They should continue with this reflection until they have got into the habit of perceiving the mind clearly and of believing that it can be known more easily than any corporeal thing.
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      Thirdly, I ask them to ponder on those self-evident propositions that they will find within themselves, such as 'The same thing cannot both be and not be at the same time', and 'Nothingness cannot be the efficient cause of anything', and so on. In this way they will be exercising the intellectual vision which nature gave them, in the pure form which it attains when freed from the senses; for sensory appearances generally interfere with it and darken it to a very great extent. And by this means the truth of the following axioms will easily become apparent to them.
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      Fourthly, I ask them to examine the ideas of those natures which contain a combination of many attributes, such as the nature of a triangle, or of a square, or of any other figure, as well as the nature of mind, the nature of body, and above all the nature of God, or the supremely perfect being. And they should notice that whatever we perceive to be contained in these natures can be truly affirmed of them. For example, the fact that its three angles are equal to two right angles is contained in the nature of a triangle; and divisibility is contained in the nature of body, or of an extended thing (for we cannot conceive of any extended thing which is so small that we cannot divide it, at least in our thought). And because of these facts it can be truly asserted that the three angles of every triangle are equal to two right angles and that every body is divisible.
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      Fifthly, I ask my readers to spend a great deal of time and effort on contemplating the nature of the supremely perfect being. Above all they should reflect on the fact that the ideas of all other natures contain possible existence, whereas the idea of God contains not only possible but wholly necessary existence. This alone, without a formal argument, will make them realize that God exists; and this will eventually be just as self-evident to them as the fact that the number two is even or that three is odd, and so on. For there are certain truths which some people find self-evident, while others come to understand them only by means of a formal argument.
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      Sixthly, I ask my readers to ponder on all the examples that I went through in my Meditations, both of clear and distinct perception, and of obscure and confused perception, and thereby accustom themselves to distinguishing what is clearly known from what is obscure. This is something that it is easier to learn by examples than by rules, and I think that in the Meditations I explained, or at least touched on, all the relevant examples.
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      Seventhly, and lastly, when they notice that they have never detected any falsity in their clear perceptions, while by contrast they have never, except by accident, found any truth in matters which they grasp only obscurely, I ask them to conclude that it is quite irrational to cast doubt on the clear and distinct perceptions of the pure intellect merely because of preconceived opinions based on the senses, or because of mere hypotheses which contain an element of the unknown. And as a result they will readily accept the following axioms as true and free of doubt. Nevertheless, many of these axioms could have been better explained, and indeed they should have been introduced as theorems rather than as axioms, had I wished to be more precise.

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AXIOMS OR COMMON NOTIONS

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      I. Concerning every existing thing it is possible to ask what is the cause of its existence. This question may even be asked concerning God, not because he needs any cause in order to exist, but because the immensity of his nature is the cause or reason why he needs no cause in order to exist.
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      II. There is no relation of dependence between the present time and the immediately preceding time, and hence no less a cause is required to preserve something than is required to create it in the first place.
†1
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      III. It is impossible that nothing, a non-existing thing, should be the cause of the existence of anything, or of any actual perfection in anything.
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      IV. Whatever reality or perfection there is in a thing is present either formally or eminently in its first and adequate cause.
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      V. It follows from this that the objective reality of our ideas needs a cause which contains this reality not merely objectively but formally or eminently. It should be noted that this axiom is one which we must necessarily accept, since on it depends our knowledge of all things, whether they are perceivable through the senses or not. How do we know, for example, that the sky exists? Because we see it? But this 'seeing' does not affect the mind except in so far as it is an idea - I mean an idea which resides in the mind itself, not an image depicted in the corporeal imagination. Now the only reason why we can use this idea as a basis for the judgement that the sky exists is that every idea must have a really existing cause of its objective reality; and in this case we judge that the cause is the sky itself. And we make similar judgements in other cases.
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      VI. There are various degrees of reality or being: a substance has more reality than an accident or a mode; an infinite substance has more reality than a finite substance. Hence there is more objective reality in the idea of a substance than in the idea of an accident; and there is more objective reality in the idea of an infinite substance than in the idea of a finite substance.
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      VII. The will of a thinking thing is drawn voluntarily and freely (for this is the essence of will), but nevertheless inevitably, towards a clearly known good. Hence, if it knows of perfections which it lacks, it will straightaway give itself these perfections, if they are in its power.
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      VIII. Whatever can bring about a greater or more difficult thing can also bring about a lesser thing.

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      IX. It is a greater thing to create or preserve a substance than to create or preserve the attributes or properties of that substance. However, it is not a greater thing to create something than to preserve it, as has already been said.
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      X. Existence is contained in the idea or concept of every single thing, since we cannot conceive of anything except as existing. Possible or contingent existence is contained in the concept of a limited thing, whereas necessary and perfect existence is contained in the concept of a supremely perfect being.

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PROPOSITION I

The existence of God can be known
merely by considering his nature

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Demonstration
To say that something is contained in the nature or concept of a thing is the same as saying that it is true of that thing (Def. IX). But necessary existence is contained in the concept of God (Axiom X). Therefore it may be truly affirmed of God that necessary existence belongs to him, or that he exists.
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      This is the syllogism which I employed above in replying to the sixth point in your Objections.
†1 And its conclusion can be grasped as self-evident by those who are free of preconceived opinions, as I said above, in the Fifth Postulate. But since it is not easy to arrive at such clear mental vision, we shall now endeavour to establish the same result by other methods.

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PROPOSITION II

The existence of God can be demonstrated
a posteriori merely from the fact that we
have an idea of God within us

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Demonstration
The objective reality of any of our ideas requires a cause which contains the very same reality not merely objectively but formally or eminently (Axiom V). But we have an idea of God (Def. II and VIII), and the objective reality of this idea is not contained in us either formally or eminently (Axiom VI); moreover it cannot be contained in any other being except God himself (Def. VIII). Therefore this idea of God, which is in us, must have God as its cause; and hence God exists (Axiom III).

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PROPOSITION III

God's existence can also be demonstrated from the
fact that we, who possess the idea of God, exist

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Demonstration
If I had the power of preserving myself, how much more would I have the power of giving myself the perfections which I lack (Axioms VIII and IX); for these perfections are merely attributes of a substance, whereas I am a substance. But I do not have the power of giving myself these perfections; if I did, I should already have them (Axiom VII). Therefore I do not have the power of preserving myself.
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      Now I could not exist unless I was preserved throughout my existence either by myself, if I have that power, or by some other being who has it (Axioms I and II). But I do exist, and yet, as has just been proved, I do not have the power of preserving myself. Therefore I am preserved by some other being.
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      Moreover, he who preserves me has within himself, either formally or eminently, whatever is in me (Axiom IV). But I have within me the perception of many of the perfections which I lack, as well as an idea of God (Defs. II and VIII). Therefore he who preserves me has a perception of the same perfections.
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      Finally, this being cannot have the perception of any perfections which he lacks, or which he does not have within himself either formally or eminently (Axiom VII). For since he has the power of preserving me, as I have already said, how much more would he have the power of giving himself those perfections if he lacked them (Axioms VIII and IX). But he has the perception of all the perfections which I know I lack and which I conceive to be capable of existing only in God, as has just been proved. Therefore he has the perfections within himself either formally or eminently, and hence he is God.

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COROLLARY

God created the heavens and the earth and everything in them. Moreover he can bring about everything which we clearly perceive in a way exactly corresponding to our perception of it

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Demonstration
All this clearly follows from the preceding proposition. For in that proposition we proved that God exists from the fact that there must exist someone who possesses either formally or eminently all the perfections of which we have any idea. But we have the idea of a power so great that the possessor of this power, and he alone, created the heavens and the earth and is capable of producing everything that I understand to be possible. Therefore in proving God's existence we have also proved these other facts about him.

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PROPOSITION IV

There is a real distinction between the mind and the body

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Desc.: DV2 OBR Rp2 ap. 169 p. 119
Demonstration
God can bring about whatever we clearly perceive in a way exactly corresponding to our perception of it (preceding Corollary). But we clearly perceive the mind, that is, a thinking substance, apart from the body, that is, apart from an extended substance (Second Postulate). And conversely we can clearly perceive the body apart from the mind (as everyone readily admits). Therefore the mind can, at least through the power of God, exist without the body; and similarly the body can exist apart from the mind.
Desc.: DV2 OBR Rp2 ap. 170 p. 120
      Now if one substance can exist apart from another the two are really distinct (Def. X). But the mind and the body are substances (Defs. V, VI and VII) which can exist apart from each other (as has just been proved). Therefore there is a real distinction between the mind and the body.
Desc.: DV2 OBR Rp2 ap. 170 p. 120
      Notice that I introduce the power of God as a means to separate mind and body not because any extraordinary power is needed to bring about such a separation but because the preceding arguments have dealt solely with God, and hence there was nothing else I could use to make the separation. Our knowledge that two things are really distinct is not affected by the nature of the power that separates them.

Third Set of Objections with Author's Replies
Desc.: DV2 OBR ObRp3 Hobbes ap. 171 p. 121
THIRD SET OF OBJECTIONS †1 WITH THE AUTHOR'S REPLIES

On the First Meditation ('What can be called into doubt')

FIRST OBJECTION

From what is said in this Meditation it is clear enough that there is no criterion enabling us to distinguish our dreams from the waking state and from veridical sensations. And hence the images we have when we are awake and having sensations are not accidents that inhere in external objects, and are no proof that any such external object exists at all. So if we follow our senses, without exercising our reason in any way, we shall be justified in doubting whether anything exists. I acknowledge the correctness of this Meditation. But since Plato and other ancient philosophers discussed this uncertainty in the objects of the senses, and since the difficulty of distinguishing the waking state from dreams is commonly pointed out, I am sorry that the author, who is so outstanding in the field of original speculations, should be publishing this ancient material.

Desc.: DV2 OBR ObRp3 ap. 171 p. 121
Reply
The arguments for doubting, which the philosopher here accepts as valid, are ones that I was presenting as merely plausible. I was not trying to sell them as novelties, but had a threefold aim in mind when I used them. Partly I wanted to prepare my readers' minds for the study of the things which are related to the intellect, and help them to distinguish these things from corporeal things; and such arguments seem to be wholly necessary for this purpose. Partly I introduced the arguments so that I could reply to them in the subsequent Meditations. And partly I wanted to show the firmness of the truths which I propound later on, in the light of the fact that they cannot be shaken by these metaphysical doubts. Thus I was not looking for praise when I set out these arguments; but I think I could not have left them out, any more than a medical writer can leave out the description of a disease when he wants to explain how it can be cured.


Desc.: DV2 OBR ObRp3 Hobbes ap. 172 p. 122
On the Second Meditation ('The nature of the human mind')

SECOND OBJECTION

I am a thinking thing.

Desc.: DV2 OBR ObRp3 Hobbes ap. 172 p. 122
      Correct. For from the fact that I think, or have an image (whether I am awake or dreaming), it can be inferred that I am thinking; for 'I think' and 'I am thinking' mean the same thing. And from the fact that I am thinking it follows that I exist, since that which thinks is not nothing. But when the author adds 'that is, I am a mind, or intelligence, or intellect or reason',
†1 a doubt arises. It does not seem to be a valid argument to say 'I am thinking, therefore I am thought' or 'I am using my intellect, hence I am an intellect.' I might just as well say 'I am walking, therefore I am a walk.' M. Descartes is identifying the thing which understands with intellection, which is an act of that which understands. Or at least he is identifying the thing which understands with the intellect, which is a power of that which understands. Yet all philosophers make a distinction between a subject and its faculties and acts, i.e. between a subject and its properties and its essences: an entity is one thing, its essence is another. Hence it may be that the thing that thinks is the subject to which mind, reason or intellect belong; and this subject may thus be something corporeal. The contrary is assumed, not proved. Yet this inference is the basis of the conclusion which M. Descartes seems to want to establish.
Desc.: DV2 OBR ObRp3 Hobbes ap. 173 p. 122
      In the same passage we find the following: 'I know I exist; the question is, what is this "I" that I know. If the "I" is understood strictly as we have been taking it, then it is quite certain that knowledge of it does not depend on things of whose existence I am as yet unaware.'
†2
Desc.: DV2 OBR ObRp3 Hobbes ap. 173 p. 122
      It is quite certain that the knowledge of the proposition 'I exist' depends on the proposition 'I am thinking' as the author himself has explained to us. But how do we know the proposition 'I am thinking'? It can only be from our inability to conceive an act without its subject. We cannot conceive of jumping without a jumper, of knowing without a knower, or of thinking without a thinker.
Desc.: DV2 OBR ObRp3 Hobbes ap. 173 p. 122
      It seems to follow from this that a thinking thing is something corporeal. For it seems that the subject of any act can be understood only in terms of something corporeal or in terms of matter, as the author himself shows later on his example of the wax:
†3 the wax, despite the changes in its colour, hardness, shape and other acts, is still understood to be the same thing, that is, the same matter that is the subject of all these changes. Moreover, I do not infer that I am thinking by means of another thought. For although someone may think that he was thinking (for this thought is simply an act of remembering), it is quite impossible for him to think that he is thinking, or to know that he is knowing. For then an infinite chain of questions would arise: 'How do you know that you know that you know . . . ?'
Desc.: DV2 OBR ObRp3 Hobbes ap. 173 p. 123
      The knowledge of the proposition 'I exist' thus depends on the knowledge of the proposition 'I am thinking'; and knowledge of the latter proposition depends on our inability to separate thought from the matter that is thinking. So it seems that the correct inference is that the thinking thing is material rather than immaterial.

Desc.: DV2 OBR ObRp3 ap. 174 p. 123
Reply
When I said 'that is, I am a mind, or intelligence, or intellect or reason', what I meant by these terms was not mere faculties, but things endowed with the faculty of thought. This is what the first two terms are commonly taken to mean by everyone; and the second two are often understood in this sense. I stated this point so explicitly, and in so many places, that it seems to me there was no room for doubt.
Desc.: DV2 OBR ObRp3 ap. 174 p. 123
      There is no comparison here between 'a walk' and 'thought'. 'A walk' is usually taken to refer simply to the act of walking, whereas 'thought' is sometimes taken to refer to the act, sometimes to the faculty, and sometimes to the thing which possesses the faculty.
Desc.: DV2 OBR ObRp3 ap. 174 p. 123
      I do not say that the thing which understands is the same as intellection. Nor, indeed, do I identify the thing which understands with the intellect, if 'the intellect' is taken to refer to a faculty; they are identical only if 'the intellect' is taken to refer to the thing which understands. Now I freely admit that I used the most abstract terms I could in order to refer to the thing or substance in question, because I wanted to strip away from it everything that did not belong to it. This philosopher, by contrast, uses absolutely concrete words, namely 'subject', 'matter' and 'body', to refer to this thinking thing, because he wants to prevent its being separated from the body.

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Desc.: DV2 OBR ObRp3 ap. 174 p. 123
      But I am not afraid that anyone will think my opponent's method is better suited to the discovery of the truth than my own; for his method lumps together a large number of different items, whereas I aim to distinguish each individual item as far as I can. But let us stop talking about terminology and discuss the issue itself.
Desc.: DV2 OBR ObRp3 ap. 175 p. 123
      'It may be', he says, 'that the thing that thinks is something corporeal. The contrary is assumed, not proved.' But I certainly did not assume the contrary, nor did I use it as the 'basis' of my argument. I left it quite undecided until the Sixth Meditation, where it is proved.
Desc.: DV2 OBR ObRp3 ap. 175 p. 123
      He is quite right in saying that 'we cannot conceive of an act without its subject'. We cannot conceive of thought without a thinking thing, since that which thinks is not nothing. But he then goes on to say, quite without any reason, and in violation of all usage and all logic: 'It seems to follow from this that a thinking thing is something corporeal.' It may be that the subject of any act can be understood only in terms of a substance (or even, if he insists, in terms of 'matter', i.e. metaphysical matter); but it does not follow that it must be understood in terms of a body.
Desc.: DV2 OBR ObRp3 ap. 175 p. 124
      Logicians, and people in general, normally say that some substances are spiritual and some are corporeal. All that I proved with the example of the wax was that colour, hardness and shape do not belong to the formal concept of the wax itself. I was not dealing in that passage with the formal concept of the mind or even with that of the body.
Desc.: DV2 OBR ObRp3 ap. 175 p. 124
      It is irrelevant for the philosopher to say that one thought cannot be the subject of another thought. For who, apart from him, ever supposed that it could be? If I may briefly explain the point at issue: it is certain that a thought cannot exist without a thing that is thinking; and in general no act or accident can exist without a substance for it to belong to. But we do not come to know a substance immediately, through being aware of the substance itself; we come to know it only through its being the subject of certain acts. Hence it is perfectly reasonable, and indeed sanctioned by usage, for us to use different names for substances which we recognize as being the subjects of quite different acts or accidents. And it is reasonable for us to leave until later the examination of whether these different names signify different things or one and the same thing. Now there are certain acts that we call 'corporeal', such as size, shape, motion and all others that cannot be thought of apart from local extension; and we use the term 'body' to refer to the substance in which they inhere. It cannot be supposed that one substance is the subject of shape, and another substance is the subject of local motion etc., since all these acts fall under the common concept of extension. There are other acts which we call 'acts of thought', such as understanding, willing, imagining, having sensory perceptions, and so on: these all fall under the common concept of thought or perception or consciousness, and we call the substance in which they inhere a 'thinking thing' or a 'mind'. We can use any other term you like, provided we do not confuse this substance with corporeal substance. For acts of thought have nothing in common with corporeal acts, and thought, which is the common concept under which they fall, is different in kind from extension, which is the common concept of corporeal acts. Once we have formed two distinct concepts of these two substances, it is easy, on the basis of what is said in the Sixth Meditation, to establish whether they are one and the same or different.

Desc.: DV2 OBR ObRp3 Hobbes ap. 177 p. 125
THIRD OBJECTION

Which of all these activities is distinct from my thinking? Which of them can be said to be separate from myself?
†1

Desc.: DV2 OBR ObRp3 Hobbes ap. 177 p. 125
      Perhaps someone will answer this question as follows: I who am thinking am distinct from my thought; but my thought, though not separate from me, is distinct from me in the same way in which (as I have said above) jumping is distinct from the jumper. If M. Descartes is suggesting that he who understands is the same as the understanding, we shall be going back to the scholastic way of talking: the understanding understands, the sight sees, the will wills, and, by a very close analogy, the walking (or at least the faculty of walking) walks. All these expressions are obscure, improper, and quite unworthy of M. Descartes' usual clarity.

Desc.: DV2 OBR ObRp3 ap. 177 p. 125
Reply
I do not deny that I, who am thinking, am distinct from my thought, in the way in which a thing is distinct from a mode. But when I ask 'Which of all these activities is distinct from my thinking?', I mean this to refer to the various modes of thinking which I have just listed, not to myself as a substance. And when I add, 'Which of them can be said to be separate from myself?', I simply mean that all these modes of thinking inhere in me. I do not see how one can pretend that there is any doubt or obscurity here.

Desc.: DV2 OBR ObRp3 Hobbes ap. 177 p. 125
FOURTH OBJECTION

I must therefore admit that the nature of this piece of wax is in no way revealed by my imagination, but is conceived by the mind alone.
†2

Desc.: DV2 OBR ObRp3 Hobbes ap. 178 p. 125
      There is a great difference between imagining, that is, having an idea, and conceiving in the mind, that is, using a process of reasoning to infer that something is, or exists. But M. Descartes has not explained how they differ. Even the Peripatetics of classical times taught clearly enough that a substance is not perceived by the senses but is inferred by reasoning.
Desc.: DV2 OBR ObRp3 Hobbes ap. 178 p. 125
      Now, what shall we say if it turns out that reasoning is simply the joining together and linking of names or labels by means of the verb 'is'? It would follow that the inferences in our reasoning tell us nothing at all about the nature of things, but merely tell us about the labels applied to them; that is, all we can infer is whether or not we are combining the names of things in accordance with the arbitrary conventions which we have laid down in respect of their meaning. If this is so, as may well be the case, reasoning will depend on names, names will depend on the imagination, and imagination will depend (as I believe it does) merely on the motions of our bodily organs; and so the mind will be nothing more than motion occurring in various parts of an organic body.

Desc.: DV2 OBR ObRp3 ap. 178 p. 126
Reply
I did explain the difference between imagination and a purely mental conception in this very example, where I listed the features of the wax which we imagine and those which we conceive by using the mind alone. And I also explained elsewhere how one and the same thing, say a pentagon, is understood in one way and imagined in another.
†1 As for the linking together that occurs when we reason, this is not a linking of names but of the things that are signified by the names, and I am surprised that the opposite view should occur to anyone. Who doubts that a Frenchman and a German can reason about the same things, despite the fact that the words that they think of are completely different? And surely the philosopher refutes his own position when he talks of the arbitrary conventions that we have laid down concerning the meaning of words. For if he admits that the words signify something, why will he not allow that our reasoning deals with this something which is signified, rather than merely with the words? And surely on his account, when he concludes that the mind is a motion he might just as well conclude that the earth is the sky, or anything else he likes.

Desc.: DV2 OBR ObRp3 Hobbes ap. 179 p. 126
On the Third Meditation ('The existence of God')

FIFTH OBJECTION

Some of these [viz. human thoughts] are, as it were, the images of things, and it is only in these cases that the term "idea" is strictly appropriate - for example, when I think of a man, or a chimera, or the sky, or an angel, or God.
†2

Desc.: DV2 OBR ObRp3 Hobbes ap. 179 p. 126
      When I think of a man, I am aware of an idea or image made up of a certain shape and colour; and I can doubt whether this image is the likeness of a man or not. And the same applies when I think of the sky. When I think of a chimera, I am aware of an idea or an image; and I can be in doubt as to whether it is the likeness of a