οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
P. παραφράγματα, τά, V. γεῖσα, τά, P. and V. ἔπαλξις, ἡ.