μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
nĕc-unde:
I adv., that from no place, lest from anywhere (Livian): circumspectans, necunde impetus in frumentatores fieret, Liv 22, 23, 10; 28, 1, 9.
nēcundĕ (ne, cunde), pour éviter que... de quelque endroit : Liv. 22, 23, 10 ; 28, 1, 9.