οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
subs.
P. διοίκησις, ἡ, διαχείρισις, ἡ.
Those at the head of the government: P. and V. οἱ ἐν τέλει, P. οἱ ἐπὶ τοῖς πράγμασι.