he who is of a certain nature, is like those who are of a certain nature; he who is not, not.
Each of them, I said, is such as his like is?
Certainly, he replied.
Illustrations. Very good, Thrasymachus, I said; and now to take the case of the arts: you would admit that one man is a musician and another not a musician?
Yes.
And which is wise and which is foolish?
Clearly the musician is wise, and he who is not a musician is foolish.
And he is good in as far as he is wise, and bad in as far as he is foolish?
Yes.
And you would say the same sort of thing of the physician?
Yes.
And do you think, my excellent friend, that a musician when