Plato, Republic, book 1 491:

οὐκοῦν, ἦν δ’ ἐγώ, καὶ ἐοίκε τῷ φρονίμῳ καὶ τῷ ἀγαθῷ ὁ ἄδικοσ, ὁ δὲ δίκαιοσ οὐκ ἐοίκεν;