οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ἀξιόχρεως, ἐπιτήδειος, ἐπιτήδεος, πρόσφορος, ποτίφορος, εὐεργός, χρηστικός, εὔθετος, δίκαιος, ἐνεργός, δυνατός, καλός, ἱκανός, οἰκεῖος