οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
εἰκοσαπλασίων, -ον (Α)εικοσαπλάσιος.
