STRANGER: I think that Parmenides, and all ever yet undertook to determine the number and nature of existences, talked to us in rather a light and easy strain.
THEAETETUS: How?
STRANGER: As if we had been children, to whom they repeated each his own mythus or story;—one said that there were three principles, and that at one time there was war between certain of them; and then again there was peace, and they were married and begat children, and brought them up; and another spoke of two principles,—a moist and a dry, or a hot and a cold, and made them marry and cohabit. The Eleatics, however, in our part of the world, say that all things are many in name, but in nature one; this is their mythus, which goes back to Xenophanes, and is even older. Then there are Ionian, and in more recent times Sicilian muses, who have arrived at the conclusion that to unite the two principles is safer, and to say that being is one and many, and that these are held together by enmity and friendship, ever parting, ever meeting, as the severer Muses assert, while the gentler ones do not insist on the perpetual strife and peace, but admit a relaxation and alternation of them; peace and unity sometimes prevailing under the sway of Aphrodite, and then again plurality and war, by reason of a principle of strife. Whether any of them spoke the truth in all this is hard to determine; besides, antiquity and famous men should have reverence, and not be liable to accusations so serious. Yet one thing may be said of them without offence—
THEAETETUS: What thing?
STRANGER: That they went on their several ways disdaining to notice people like ourselves; they did not care whether they took us with them, or left us behind them.
THEAETETUS: How do you mean?
STRANGER: I mean to say, that when they talk of one, two, or more elements, which are or have become or are becoming, or again of heat mingling with cold, assuming in some other part of their works separations and mixtures,—tell me, Theaetetus, do you understand what they mean by these expressions? When I was a younger man, I used to fancy that I understood quite well what was meant by the term 'not-being,' which is our present subject of dispute; and now you see in what a fix we are about it.
THEAETETUS: I see.
STRANGER: And very likely we have been getting into the same perplexity about 'being,' and yet may fancy that when anybody utters the word, we understand him quite easily, although we do not know about not-being. But we may be; equally ignorant of both.
THEAETETUS: I dare say.