Dialogues of Plato - MobileReference [870]
THEAETETUS: Why?
STRANGER: He who says that falsehood exists has the audacity to assert the being of not-being; for this is implied in the possibility of falsehood. But, my boy, in the days when I was a boy, the great Parmenides protested against this doctrine, and to the end of his life he continued to inculcate the same lesson--always repeating both in verse and out of verse:
'Keep your mind from this way of enquiry, for never will you show that not- being is.'
Such is his testimony, which is confirmed by the very expression when sifted a little. Would you object to begin with the consideration of the words themselves?
THEAETETUS: Never mind about me; I am only desirous that you should carry on the argument in the best way, and that you should take me with you.
STRANGER: Very good; and now say, do we venture to utter the forbidden word 'not-being'?
THEAETETUS: Certainly we do.
STRANGER: Let us be serious then, and consider the question neither in strife nor play: suppose that one of the hearers of Parmenides was asked, 'To what is the term "not-being" to be applied?'--do you know what sort of object he would single out in reply, and what answer he would make to the enquirer?
THEAETETUS: That is a difficult question, and one not to be answered at all by a person like myself.
STRANGER: There is at any rate no difficulty in seeing that the predicate 'not-being' is not applicable to any being.
THEAETETUS: None, certainly.
STRANGER: And if not to being, then not to something.
THEAETETUS: Of course not.
STRANGER: It is also plain, that in speaking of something we speak of being, for to speak of an abstract something naked and isolated from all being is impossible.
THEAETETUS: Impossible.
STRANGER: You mean by assenting to imply that he who says something must say some one thing?
THEAETETUS: Yes.
STRANGER: Some in the singular (ti) you would say is the sign of one, some in the dual (tine) of two, some in the plural (tines) of many?
THEAETETUS: Exactly.
STRANGER: Then he who says 'not something' must say absolutely nothing.
THEAETETUS: Most assuredly.
STRANGER: And as we cannot admit that a man speaks and says nothing, he who says 'not-being' does not speak at all.
THEAETETUS: The difficulty of the argument can no further go.
STRANGER: Not yet, my friend, is the time for such a word; for there still remains of all perplexities the first and greatest, touching the very foundation of the matter.
THEAETETUS: What do you mean? Do not be afraid to speak.
STRANGER: To that which is, may be attributed some other thing which is?
THEAETETUS: Certainly.
STRANGER: But can anything which is, be attributed to that which is not?
THEAETETUS: Impossible.
STRANGER: And all number is to be reckoned among things which are?
THEAETETUS: Yes, surely number, if anything, has a real existence.
STRANGER: Then we must not attempt to attribute to not-being number either in the singular or plural?
THEAETETUS: The argument implies that we should be wrong in doing so.
STRANGER: But how can a man either express in words or even conceive in thought things which are not or a thing which is not without number?
THEAETETUS: How indeed?
STRANGER: When we speak of things which are not, are we not attributing plurality to not-being?
THEAETETUS: Certainly.
STRANGER: But, on the other hand, when we say 'what is not,' do we not attribute unity?
THEAETETUS: Manifestly.
STRANGER: Nevertheless, we maintain that you may not and ought not to attribute being to not-being?
THEAETETUS: Most true.
STRANGER: Do you see, then, that not-being in itself can neither be spoken, uttered, or thought, but that it is unthinkable, unutterable, unspeakable, indescribable?
THEAETETUS: Quite true.
STRANGER: But, if so, I was wrong in telling