Εὐβούλως

From LSJ

ὅπλον μέγιστόν ἐστιν ἡ ἀρετή βροτοῖς → man's greatest weapon is virtue, virtue is the greatest weapon for mortals

Source

Russian (Dvoretsky)

Εὐβούλως: благоразумно (Aesch. - v. l. εὐβόλως).