ὅπλον μέγιστόν ἐστιν ἡ ἀρετή βροτοῖς → man's greatest weapon is virtue, virtue is the greatest weapon for mortals
P. εὐπορία, ἡ, ἀφθονία, ἡ, Ar. and P. περιουσία, ἡ.
Also with gen. following: P. and V. πλῆθος, τό, V. βάρος, τό.