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Soc. The principle which gives trouble to all men, to some of them sometimes against their will.
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Pro. Speak more plainly.
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Soc. I mean the principle which came in our way just now; its nature is quite marvellous. For the assertions that one is many and many are one are marvellous, and it is easy to dispute with anyone who makes either of them.
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Pro. You mean when a person says that I, Protarchus, am by nature one and that there are also many of me which are opposites of each other, asserting that I, the same Protarchus, am great and small and heavy and light and countless other things?
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Soc. Those wonders concerning the one and the many which you have mentioned, Protarchus, are common property, and almost everybody is agreed that they ought to be disregarded because they are childish and easy and great hindrances to speculation; and this sort of thing also should be disregarded, when a man in his discussion divides the members and likewise the parts of anything, acknowledges that they all collectively are that one thing, and then mockingly refutes himself because he has been compelled to declare miracles—that the one is many and infinite and the many only one.
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Pro. But what other wonders do you mean, Socrates, in relation to this same principle, which are not yet common property and generally acknowledged?
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Soc. I mean, my boy, when a person postulates unity which is not the unity of one of the things which come into being and perish, as in the examples we had just now. For in cases of a unity of that sort, as I just said, it is agreed that refutation is needless. But when the assertion is made that man is one, or ox is one, or beauty is one, or the good is one, the intense interest in these and similar unities becomes disagreement and controversy.
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Pro. How is that?
