Plato, Republic, book 4 544:

οὐκοῦν καὶ ἱεροσυλιῶν καὶ κλοπῶν καὶ προδοσιῶν, ἢ ἰδίᾳ ἑταίρων ἢ δημοσίᾳ πόλεων, ἐκτὸσ ἂν οὗτοσ εἰή;