οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
subs.
Guardianship: P. ἐπιτροπεία, ἡ. Be in a state of pupilage, v.: P. ἐπιτροπεύεσθαι.