οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ἀδικομαχία, η (Α) αδικόμαχοςάδικος, ανέντιμος τρόπος μάχης·