Plato, Meno 73b

οὐκοῦν ἄνπερ δικαίως καὶ σωφρόνως διοικῶσιν, δικαιοσύνῃ καὶ σωφροσύνῃ διοικήσουσιν; ἀνάγκη. τῶν αὐτῶν ἄρα ἀμφότεροι δέονται, εἴπερ μέλλουσιν ἀγαθοὶ εἶναι, καὶ ἡ γυνὴ καὶ ὁ ἀνήρ, δικαιοσύνης καὶ σωφροσύνης. φαίνονται. τί δὲ παῖς καὶ πρεσβύτης; μῶν ἀκόλαστοι ὄντες καὶ ἄδικοι ἀγαθοὶ ἄν ποτε γένοιντο; οὐ δῆτα. ἀλλὰ σώφρονες καὶ

Surely not. Then whoever manages temperately and justly will manage with temperance and justice? That must be. Then both the woman and the man require the same qualities of justice and temperance, if they are to be good. Evidently. And what of a child or an old man? Can they ever hope to be good if they are intemperate and unjust? Surely not. Only if they are temperate and just? Yes.