ὅπλον μέγιστόν ἐστιν ἡ ἀρετή βροτοῖς → man's greatest weapon is virtue, virtue is the greatest weapon for mortals
προϊέναι:I inf. к προΐημι.II inf. к πρόειμι II.
(see also πρόειμι, προίημι): fling away, leave in the lurch