ἡδονὴ μὲν γὰρ ἁπάντων ἀλαζονίστατον → pleasure is the greatest of impostors, pleasure is the most shameless thing of all
P. and V. χρήσιμος, χρηστός, σύμφορος, πρόσφορος, ἐπιτήδειος, Ar. and P. ὠφέλιμος, προὔργου, Ar. and V. ὠφελήσιμος.