μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
adj.
P. and V. ἀσθενής, P. ἄρρωστος, V. ἄναρθρος, Ar. σαπρός.
Become decrepit, grow old: P. and V. γηράσκειν, Ar. and P. καταγηράσκειν.