μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
adv.
P. and V. ἀκριβῶς. Clearly: P. and V. σαφῶς, V. τορῶς, τρανῶς, σκεθρῶς. Of manner: P. and V. σεμνῶς. Absolutely: Ar. and P. ἀτεχνῶς.