μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
αἰσχίων: αἴσχιστος, συγκρ. καὶ ὑπερθ. τοῦ αἰσχρός, ὃ ἴδε.