οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
v. καταναίω.
κατένασσα: αόρ. αʹ του καταναίω.
