What is the Greek original of “justice is nothing else than the interest of the stronger” from Plato’s Republic?

As cited in Thrasymachus – Wikipedia

338c: φημὶ γὰρ ἐγὼ εἶναι τὸ δίκαιον οὐκ ἄλλο τι ἢ τὸ τοῦ κρείττονος συμφέρον. (“I say that justice is nothing other than the advantage of the stronger.”)