οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
con-crīmĭnor: ātus, 1,I v. dep. n., to make bitter accusations, to complain: advorsum aliquem, Plaut. Mil. 2, 2, 87.
concrīmĭnor, ātus sum, ārī, tr., [avec prop. inf.] prétendre en accusant que : Pl. Mil. 242.