ῥάπτειν

From LSJ

μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ῥάπτω): cobble, contrive, devise, stitch, lay a, make up, sew up a wound