οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
P. and V. φυλακή, ἡ.
keep under surveillance: P. ἐν φυλακῇ ἔχειν.
