οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ψευδηγορέω, ψευδοστομέω, ψευστέω, ψευδολογέω, καταψεύδομαι, φενακίζω, ἐπικαταψεύδομαι