οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
f. épq. de ἔρομαι;f. antér., au sens du fut., de εἴρω².