The Republic by Plato Part 1 Page 80

Yes.

Then the just is like the wise and good, and the unjust like the evil and ignorant?

That is the inference.

And each of them is such as his like is?

That was admitted.

Then the just has turned out to be wise and good and the unjust evil and ignorant.

Thrasymachus made all these admissions, not fluently, as I repeat them, but with extreme reluctance; it was a hot summer’s day, and the perspiration poured from him in torrents; and then I saw what I had never seen before, Thrasymachus blushing. As we were now agreed that justice was virtue and wisdom, and injustice vice and ignorance, I proceeded to another point: