μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
ἀθῷος, ἀκήρατος, ἀκραιφνής, ἀνομίλητος, ἀνυπόλογος, ἀπερίθετος, ἀργός, ἀσυμμιγής, ἄλυπος, ἄνοσος, ἐλεύθερος, ἐξάντης