οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
circlus: v. circulusI init.
circlus, sync. pour circulus : Virg. G. 3, 166.