οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
P. ἐχῖνος θαλάσσιος, ἐχῖνος θαλάττιος, ὁ (Plato).
