οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ου (τό) :c. Σεραπεῖον.
Σᾰρᾱπεῖον: τό Plut. = Σεραπεῖον.