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. ἐναντιότης, ἡ.
Ill-temper: Ar. and P. δυσκολία.
