οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
mēcum: i. e. cum me,I with me, like tecum, secum, etc., v. ego.
