οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
Use P. πάριος λίθος, ὁ (Herodotus), μάρμορος, ὁ (late).
of marble, adj.: P. μαρμάρινος (late).
