οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
subs.
P. ἀκοή, ἡ; see rumour. I know by hearsay: V. ἔξοιδʼ ἀκούων (Soph., O.R. 105).