The Republic by Plato Part 1 Page 58

But when a man besides taking away the money of the citizens has made slaves of them, then, instead of these names of reproach, he is termed happy and blessed, not only by the citizens but by all who hear of his having achieved the consummation of injustice. For mankind censure injustice, fearing that they may be the victims of it and not because they shrink from committing it. And thus, as I have shown, Socrates, injustice, when on a sufficient scale, has more strength and freedom and mastery than justice; and, as I said at first, justice is the interest of the stronger, whereas injustice is a man’s own profit and interest.

Thrasymachus, when he had thus spoken, having, like a bath-man, deluged our ears with his words, had a mind to go away.

But the company would not let him; they