The Republic by Plato Part 1 Page 72

Then would you call injustice malignity?

No; I would rather say discretion.

And do the unjust appear to you to be wise and good?

Yes, he said; at any rate those of them who are able to be perfectly unjust, and who have the power of subduing states and nations; but perhaps you imagine me to be talking of cutpurses.

Even this profession if undetected has advantages, though they are not to be compared with those of which I was just now speaking.

I do not think that I misapprehend your meaning, Thrasymachus, I replied; but still I cannot hear without amazement that you class injustice with wisdom and virtue, and justice with the opposite.

Certainly I do so class them.