μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
P. ἀδυναμία, ἡ, μοχθηρία, ἡ, P. and V. φαυλότης, ἡ (Eur., Fragment).
