ὅπλον μέγιστόν ἐστιν ἡ ἀρετή βροτοῖς → man's greatest weapon is virtue, virtue is the greatest weapon for mortals
P. and V. δικαίως, ἐνδίκως, ὀρθῶς, ἁπλῶς, καλῶς, P. ἴσως, ἐπιεικῶς.
he won't honestly admit that he is talking nonsense: P. οὐκ ἐθέλει γενναίως ὁμολογεῖν ὅτι οὐδὲν λέγει (Plato, Laches 196A-B).