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The Academic Questions, Treatise De Finibus, and Tusculan Disputations Part 5

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XXII. But first I must say a few words to Antiochus; who under Philo learnt this very doctrine which I am now defending, for such a length of time, that it is certain that no one was ever longer studying it; and who wrote on these subjects with the greatest acuteness, and who yet attacked it in his old age with no less energy than he had defended it in his youth. Although therefore he may have been a shrewd arguer, as indeed he was, still his authority is diminished by his inconsistency. For what day, I should like to know, will ever dawn, which shall reveal to him that distinctive characteristic of what is true and what is false, of which for so many years he denied the existence? Has he devised anything new? He says the same that the Stoics say. Does he repent of having held such an opinion? Why did he not cross over to some other school, and especially to the Stoics? for this disagreement with the Academy was peculiarly theirs.

What? did he repent of Mnesarchus or Darda.n.u.s, who at that time were the chiefs of the Stoics at Athens? He never deserted Philo till after the time when he himself began to have pupils.

But from whence was the Old Academy on a sudden recalled? He appears to have wished to preserve the dignity of the name, after he had given up the reality; which however some people said, that he did from a view to his own glory, and that he even hoped that those who followed him might be called Antiochians. But to me it seems, that he could not stand that concourse of all the philosophers. In truth, there are among them all, some common principles on the other points; but this doctrine is peculiar to the Academicians, and not one of the other philosophers approves of it.

Therefore, he quitted it; and, like those men who, where the new shops stand, cannot bear the sun, so he, when he was hot, took refuge under the shade of the Old Academicians, as those men do under the shade of the old shops near the pillar of Maenius. There was also an argument which he was in the habit of employing, when he used to maintain that nothing could be perceived; namely, asking whether Dionysius of Heraclea had comprehended the doctrine which he had espoused for many years, because he was guided by that certain characteristic, and whether he believed the doctrine of his master Zeno, that whatever was honourable was the only good; or, whether he adopted the a.s.sertion which he defended subsequently, that the name of honourableness is a mere phantom, and that pleasure is the chief good: for from this change of opinion on his part he wished to prove, that nothing can be so stamped on our minds by the truth, that it cannot also be impressed on them in the same manner by falsehood; and so he took care that others should derive from his own conduct the same argument which he himself had derived from Dionysius.

XXIII. But we will argue this point more at length another time; at present we will turn what has been said, Lucullus, to you. And in the first place, let us examine the a.s.sertion which you made at the beginning, and see what sort of a.s.sertion it is; namely, that we spoke of the ancient philosophers in a manner similar to that in which seditious men were in the habit of speaking of ill.u.s.trious men, who were however friends of the people. These men do not indeed pursue good objects, but still wish to be considered to resemble good men; but we say that we hold those opinions, which you yourselves confess to have been entertained by the most ill.u.s.trious philosophers. Anaxagoras said, that snow was black: would you endure me if I were to say the same? You would not bear even for me to express a doubt on the subject. But who is this man? is he a Sophist? for by that name were those men called, who used to philosophize for the sake of display or of profit. The glory of the gravity and genius of that man was great. Why should I speak of Democritus? Who is there whom we can compare with him for the greatness, not merely of his genius, but also of his spirit? a man who dared to begin thus: "I am going to speak of everything." He excepts nothing, so as not to profess a knowledge of it.

For indeed, what could there possibly be beyond everything? Who can avoid placing this philosopher before Cleanthes, or Chrysippus, or all the rest of his successors? men who, when compared with him, appear to me to be in the fifth cla.s.s.

But he does not say this, which we, who do not deny that there is some truth, declare cannot be perceived: he absolutely denies that there is any truth. He says that the senses are not merely dim, but utterly dark; for that is what Metrodorus of Chios, who was one of his greatest admirers, says of them, at the beginning of his book on Nature. "I deny," says he, "that we know whether we know anything or whether we know nothing; I say that we do not even know what is ignorance and knowledge; and that we have no knowledge whether anything exists or whether nothing does."

Empedocles appears to you to be mad; but to me he seems to utter words very worthy of the subjects of which he speaks. Does he then blind us, or deprive us of our senses, if he thinks that there is but little power in them to judge of those things which are brought under their notice?

Parmenides and Xenophanes blame, as if they were angry with them, though in no very poetical verses, the arrogance of those people who, though nothing can be known, venture to say that they know something. And you said that Socrates and Plato were distinct from these men. Why so? Are there any men of whom we can speak more certainly? I indeed seem to myself to have lived with these men; so many of their discourses have been reported, from which one cannot possibly doubt that Socrates thought that nothing could be known. He excepted one thing only, a.s.serting that he did know that he knew nothing; but he made no other exception. What shall I say of Plato? who certainly would never have followed up these doctrines in so many books if he had not approved of them; for there was no object in going on with the irony of the other, especially when it was so unceasing.

XXIV. Do I not seem to you, not, like Saturninus, to be content with naming ill.u.s.trious men, but also sometimes even to imitate them, though never unless they are really eminent and n.o.ble? And I might have opposed to you men who are annoying to you, but yet disputants of great accuracy; Stilpo, Diodorus, and Alexinus: men who indulged in far-fetched and pointed sophisms; for that was the name given usually to fallacious conclusions. But why need I enumerate them, when I have Chrysippus, who is considered to be the great support of the portico of the Stoics? How many of the arguments against the senses, how many against everything which is approved by ordinary practice, did he not refute! It is true that I do not think very much of his refutations; but still, let us grant that he did refute them. Certainly he would never have collected so many arguments to deceive us with their excessive probability, unless he saw that it was not easily possible to resist them.

What do you think of the Cyrenaic School? philosophers far from contemptible, who affirm that there is nothing which can be perceived externally; and that they perceive those things alone which they feel by their inmost touch, such as pain, or pleasure. And that they do not know what colour anything is of, or what sound it utters; but only feel that they themselves are affected in a certain manner.

We have said enough about authors: although you had asked me whether I did not think that since the time of those ancient philosophers, in so many ages, the truth might have been discovered, when so many men of genius and diligence were looking for it? What was discovered we will consider presently, and you yourself shall be the judge. But it is easily seen that Arcesilas did not contend with Zeno for the sake of disparaging him; but that he wished to discover the truth. No one, I say, of preceding philosophers had said positively, no one had even hinted that it was possible for man never to form opinions: and that for a wise man it was not only possible, but indispensable. The opinion of Arcesilas appeared not only true, but honourable and worthy of a wise man.

Perhaps he asked of Zeno what would happen if a wise man could not possibly perceive anything, and if to form mere opinion was unworthy of a wise man? He answered, I suppose, that the wise man never would form mere opinion, since there were things which admitted of being perceived. What then were they? Perceptions, I suppose. What sort of perceptions then? In reply to this he gave a definition, That it was such as is impressed and stamped upon and figured in us, according to and conformably to something which exists. Afterwards the question was asked, whether, if such a perception was true, it was of the same character as one that was false?

Here Zeno saw clearly enough that there was no perception that could be perceived at all, if the perception derived from that which is, could possibly resemble that which is derived from that which is not.

Arcesilas was quite right in admitting this. An addition was made to the definition; namely, That nothing false could be perceived; nor anything true either, if it was of such a character as that which was false. But he applied himself diligently to these discussions, in order to prove that no perception originated in what was true of such a kind that there might not be a similar one originating in what was false. And this is the one subject of controversy which has lasted to this day. For the other doctrine, that the wise man would never a.s.sent to anything, had nothing to do with this question. For it was quite possible for a man to perceive nothing, and nevertheless to be guided at times by opinion; which is said to have been admitted by Carneades. I, indeed, trusting rather to c.l.i.tomachus than to Philo or Metrodorus, believe that he argued this point rather than that he admitted it.

XXV. However, let us say no more about this. Undoubtedly, when opinion and perception are put an end to, the retention of every kind of a.s.sent must follow; as, if I prove that nothing can be perceived, you would then grant that a philosopher would never a.s.sent to anything. What is there then that can be perceived, if even the senses do not warn us of the truth? But you, O Lucullus, defend them by a common topic; and to prevent you from being able to do so it was, that I yesterday, when it was not otherwise necessary, said so much against the senses. But you say that you are not at all moved by "the broken oar" or "the dove's neck." In the first place, I will ask why?-for in the case of the oar, I feel that that which appears to be the case, is not really so; and that in the dove's neck there appear to be many colours, but are not in reality more than one. Have we, then, said nothing more than this? Let all our arguments stand: that man is tearing his cause to pieces; he says that his senses are voracious.

Therefore you have always one backer who will plead the cause at his own risk: for Epicurus brings the matter down to this point, that if once in a man's life one of his senses has decided wrongly, none of them is ever to be trusted. This is what he calls being true, and confiding in his own witnesses, and urging his proofs to their just conclusion; therefore Timagoras the Epicurean declares, that when he had twisted his eye with his hand, he had never seen two flames appear out of one candle: for that the error was one of opinion, and not one of his eyes; just as if the question were what the fact is, and not what it appears to be. However, he is just like his predecessors. But as for you, who say that of the things perceived by your senses, some are true and some false, how do you distinguish between them? Cease, I beg of you, to employ common topics: we have plenty of them at home.

If any G.o.d were to ask you, while your senses are sound and unimpaired, whether you desire anything further, what would you answer? I wish, indeed, he would ask me! You should hear how ill he treats us: for how far are we to look in order to see the truth? I can see the c.u.maean villa of Catulus from this place, but not his villa near Pompeii; not that there is any obstacle interposed, but my eyesight cannot extend so far. What a superb view! We see Puteoli, but we do not see our friend Avia.n.u.s, though he may perhaps be walking in the portico of Neptune; there was, however, some one or other who is often spoken of in the Schools who could see things that were a thousand and eighty furlongs off; and some birds can see further still. I should therefore answer your G.o.d boldly, that I am not at all contented with these eyes of mine. He will tell me, perhaps, that I can see better than some fishes; which are not seen by us, and which even now are beneath our eyes, and yet they cannot look up far enough to see us: therefore, as water is shed around them, so a dense air is around us. But we desire nothing better. What? do you suppose that a mole longs for light?-nor would he complain to the G.o.d that he could not see far, but rather that he saw incorrectly. Do you see that s.h.i.+p? It appears to us to be standing still; but to those who are in that s.h.i.+p, this villa appears to be moving. Seek for the reason why it seems so, and if you discover it ever so much, and I do not know whether you may not be able to, still you will have proved, not that you have a trustworthy witness, but that he has not given false evidence without sufficient reason.

XXVI. What need had I to speak of the s.h.i.+p? for I saw that what I said about the oar was despised by you; perhaps you expect something more serious. What can be greater than the sun, which the mathematicians affirm to be more than eighteen times as large as the earth? How little does it appear to us! To me, indeed, it seems about a foot in diameter; but Epicurus thinks it possible that it may be even less than it seems, but not much; nor does he think that it is much greater, but that it is very near the size it seems to be: so that our eyes are either quite correct, or, at all events, not very incorrect. What becomes then of the exception, "If once...?" However, let us leave this credulous man, who does not believe that the senses are ever wrong,-not even now, when that sun, which is borne along with such rapidity that it is impossible even to conceive how great its velocity is, nevertheless seems to us to be standing still.

However, to abridge the controversy, consider, I pray you, within what narrow bounds you are confined. There are four principles which conduct you to the conclusion that there is nothing which can be known, or perceived, or comprehended;-and it is about this that the whole dispute is. The first principle is, that some perceptions are false; the second, that such cannot be perceived; the third, that of perceptions between which there is no difference, it is not possible that some of them can be perceived and that others cannot; the fourth, that there is no true perception proceeding from the senses, to which there is not some other perception opposed which in no respect differs from it, and which cannot be perceived. Now of these four principles, the second and third are admitted by every one. Epicurus does not admit the first, but you, with whom we are now arguing, admit that one too,-the whole contest is about the fourth.

The man, then, who saw Publius Servilius Geminus, if he thought that he saw Quintus, fell into a perception of that kind that could not be perceived; because what was true was distinguished by no characteristic mark from what was false: and if this distinctive mark were taken away, what characteristic of the same kind could he have by which to recognise Caius Cotta, who was twice consul with Geminus, which could not possibly be false? You say that such a likeness as that is not in the nature of things. You fight the question vigorously, but you are fighting a peaceably disposed adversary. Grant, then, that it is not; at all events, it is possible that it should seem to be so; therefore it will deceive the senses. And if one likeness deceives them, it will have made everything doubtful; for when that judgment is once taken away by which alone things can be known, then, even if the person whom you see, be really the person whom he appears to you to be, still you will not judge by that characteristic which you say you ought, being of such a character that one of the same kind cannot be false. If, therefore, it is possible that Publius Geminus may appear to you to be Quintus, what certainty have you that he may not appear to you to be Cotta though he is not, since some things do appear to you to be what they are not? You say that everything has its own peculiar genus; that there is nothing the same as something else. That is a stoic doctrine, and one not very credible, for they say that there is not a single hair or a single grain in every respect like another hair or grain. These things could all be refuted, but I do not wish to be contentious; for it has nothing in the world to do with the question whether the things which are seen do not differ at all in any part, or whether they cannot be distinguished from another even though they do differ. But, granting that there cannot be such a likeness between men, can there not be such between statues? Tell me, could not Lysippus, using the same bra.s.s, the same composition of metals, the same atmosphere, water, and all other appliances, have made a hundred Alexanders exactly alike? How then could you distinguish between them? Again; if I, with this ring, make a hundred impressions on the same piece of wax, is it possible that there should be any difference to enable you to distinguish one from the other?-or, shall you have to seek out some ring engraver, since you have already found us a Delian poulterer who could recognise his eggs?

XXVII. But you have recourse to art, which you call in to the aid of the senses. A painter sees what we do not see; and as soon as a flute-player plays a note the air is recognised by a musician. Well? Does not this argument seem to tell against you, if, without great skill, such as very few persons of our cla.s.s attain to, we can neither see nor hear? Then you give an excellent description of the skill with which nature has manufactured our senses, and intellect, and the whole construction of man, in order to prevent my being alarmed at rashness of opinions. Can you also, Lucullus, affirm that there is any power united with wisdom and prudence which has made, or, to use your own expression, manufactured man?

What sort of a manufacture is that? Where is it exercised? when? why? how?

These points are all handled ingeniously, they are discussed even elegantly. Let it be said even that they appear likely; only let them not be affirmed positively. But we will discuss natural philosophy hereafter, and, indeed, we will do so that you, who said a little while ago that I should speak of it, may appear not to have spoken falsely.

However, to come to what is clearer, I shall now bring forward general facts on which whole volumes have been filled, not only by those of our own School, but also by Chrysippus. But the Stoics complain of him, that, while he studiously collected every argument which could be brought forward against the senses and clearness, and against all custom, and against reason, when he came to reply to himself, he was inferior to what he had been at first; and therefore that, in fact, he put arms into the hands of Carneades. Those arguments are such as have been ingeniously handled by you. You said that the perceptions of men asleep, or drunk, or mad, were less vigorous than those of men awake, sober, and sane. How do you prove that? because, when Ennius had awakened, he would not say that he had seen Homer, but only that Homer had seemed to be present. And Alcmaeon says-

My heart distrusts the witness of my eyes.

And one may say the same of men who are drunk. As if any one denied that when a man has awakened he ceases to think his dreams true; and that a man whose frenzy has pa.s.sed away, no longer conceives those things to be real which appeared so to him during his madness. But that is not the question: the question is, how those things appear to us, at the time when they do appear. Unless, indeed, we suppose that Ennius heard the whole of that address-

O piety of the soul....

(if, indeed, he did dream it), just as he would have heard it if he had been awake. For when awake, he was able to think those things phantoms-as, in fact, they were-and dreams. But while he was asleep, he felt as sure of their reality as if he had been awake. Again, Iliona, in that dream of hers, where she hears-

Mother, I call on you....

does she not believe that her son has spoken, just as she would have believed it if she had been awake? On which account she adds-

Come now, stand here, remain, and hear my words, And once again repeat those words to me.

Does she here seem to place less trust in what she has seen than people do when awake?

XXVIII. Why should I speak of madmen?-such as your relation Tudita.n.u.s was, Catulus. Does any man, who may be ever so much in his senses, think the things which he sees as certain as he used to think those that appeared to him? Again, the man who cries out-

I see you now, I see you now alive, Ulysses, while such sight is still allow'd me;

does he not twice cry out that he is seeing what he never sees at all?

Again, when Hercules, in Euripides, shot his own sons with his arrows, taking them for the sons of Eurystheus,-when he slew his wife,-when he endeavoured even to slay his father,-was he not worked upon by false ideas, just as he might have been by true ones? Again, does not your own Alcmaeon, who says that his heart distrusts the witness of his eyes, say in the same place, while inflamed by frenzy-

Whence does this flame arise?

And presently afterwards-

Come on; come on; they hasten, they approach; They seek for me.

Listen, how he implores the good faith of the virgin:-

O bring me aid; O drive this pest away; This fiery power which now doth torture me; See, they advance, dark shades, with flames encircled, And stand around me with their blazing torches.

Have you any doubt here that he appears to himself to see these things?

And then the rest of his speech:-

See how Apollo, fair-hair'd G.o.d, Draws in and bends his golden bow; While on the left fair Dian waves her torch.

How could he have believed these things any more if they had really existed than he did when they only seemed to exist? For it is clear that at the moment his heart was not distrusting his eyes. But all these instances are cited in order to prove that than which nothing can be more certain, namely, that between true and false perceptions there is no difference at all, as far as the a.s.sent of the mind is concerned. But you prove nothing when you merely refute those false perceptions of men who are mad or dreaming, by their own recollection. For the question is not what sort of recollection those people usually have who have awakened, or those who have recovered from madness, but what sort of perception madmen or dreamers had at the moment when they were under the influence of their madness or their dream. However, we will say no more about the senses.

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