Plato, Laws 781b

δόξειεν ἄν, τὸ περὶ τὰς γυναῖκας ἀκοσμήτως περιορώμενον, ὅσῳ δὲ ἡ θήλεια ἡμῖν φύσις ἐστὶ πρὸς ἀρετὴν χείρων τῆς τῶν ἀρρένων, τοσούτῳ διαφέρει πρὸς τὸ πλέον ἢ διπλάσιον εἶναι. τοῦτʼ οὖν ἐπαναλαβεῖν καὶ ἐπανορθώσασθαι καὶ πάντα συντάξασθαι κοινῇ γυναιξί τε καὶ ἀνδράσιν ἐπιτηδεύματα βέλτιον πρὸς πόλεως εὐδαιμονίαν· νῦν δὲ οὕτως ἦκται τὸ τῶν ἀνθρώπων γένος οὐδαμῶς εἰς τοῦτο εὐτυχῶς, ὥστε οὐδὲ μνησθῆναι περὶ αὐτοῦ ἐν ἄλλοις γʼ ἐστὶν τόποις καὶ πόλεσιν

but in as far as females are inferior in goodness to males, just in so far it affects more than the half. It is better, then, for the welfare of the State to revise and reform this institution, and to regulate all the institutions for both men and women in common. At present, however, the human race is so far from having reached this happy position, that a man of discretion must actually avoid all mention of the practice in districts and States