οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
adj.
P. φιλόνεικος, φιλαπεχθήμων, ἐριστικός. Be quarrelsome, v.: P. φιλονεικεῖν.