οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ῥυήσομαι: Αττ. μέλ. του ῥέω.
ῥυήσομαι: fut. 2 pass. к ῥέω I.