Plato, Republic, book 1 158:

ἐοίκεν οὖν ἡ δικαιοσύνη καὶ κατὰ σὲ καὶ καθ’ Ὅμηρον καὶ κατὰ Σιμωνίδην κλεπτική τισ εἶναι, ἐπ’ ὠφελίᾳ μέντοι τῶν φίλων καὶ ἐπὶ βλάβῃ τῶν ἐχθρῶν. οὐχ οὕτωσ ἔλεγεσ;