Plato, Laws 772a

κόρους καὶ κόρας, καὶ ἅμα δὴ θεωροῦντάς τε καὶ θεωρουμένους μετὰ λόγου τε καὶ ἡλικίας τινὸς ἐχούσης εἰκυίας προφάσεις, γυμνοὺς καὶ γυμνὰς μέχριπερ αἰδοῦς σώφρονος ἑκάστων. τούτων δʼ ἐπιμελητὰς πάντων καὶ κοσμητὰς τοὺς τῶν χορῶν ἄρχοντας γίγνεσθαι καὶ νομοθέτας μετὰ τῶν νομοφυλάκων, ὅσον ἂν ἡμεῖς ἐκλείπωμεν τάττοντες· ἀναγκαῖον δέ, ὅπερ εἴπομεν, περὶ τὰ τοιαῦτα πάντα ὅσα σμικρὰ

and at these they should both view and be viewed, in a reasonable way and on occasions that offer a suitable pretext, with bodies unclad, save so far as sober modesty prescribes. Of all such matters the officers of the choirs shall be the supervisors and controllers, and also, in conjunction with the Law-wardens, the lawgivers of all that we leave unprescribed. It is, as we said, necessary that in regard to all matters involving a host of petty details the law-giver should leave omissions,