οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
P. and V. πιθανός, P. ἀναγκαῖος (Thuc. 4, 60).