οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
κατονομάζω, ἐνεγγυάω, καθομολογέω, ἐγγυάω, ἁρμόζω
