so far as he is a ruler, considers or enjoins what is for his own interest, but always what is for the interest of his subject or suitable to his art; to that he looks, and that alone he considers in everything which he says and does.

When we had got to this point in the argument, and every one saw that the definition of justice had been completely upset, Thrasymachus, instead of replying to me, said: Tell me, Socrates, have you got a nurse?

Why do you ask such a question, I said, when you ought rather to be answering?

Because she leaves you to snivel, and never wipes your nose: she has not even taught you to know the shepherd from the sheep.

What makes you say that? I replied.