μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
adj.
Equal to in worth: P. ἀντάξιος (gen.). Equal to: P. and V. ἴσος (dat.); see equal. Be equivalent to, amount to: Ar. and P. δύνασθαι (acc.).