οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
calva: ae, v. calvus.
(1) calva, æ, f., crâne, boîte osseuse du cerveau : Liv. 23, 24, 12.(2) calva, æ, f., v. calvus.