Plato, Laws 718b

τὸν αὑτοῦ βίον φαιδρυνάμενον κατὰ νόμον κοσμεῖν δεῖ, τῶν νόμων αὐτῶν ἡ διέξοδος, τὰ μὲν πείθουσα, τὰ δὲ μὴ ὑπείκοντα πειθοῖ τῶν ἠθῶν βίᾳ καὶ δίκῃ κολάζουσα, τὴν πόλιν ἡμῖν συμβουληθέντων θεῶν μακαρίαν τε καὶ εὐδαίμονα ἀποτελεῖ· ἃ δὲ χρὴ μὲν αὖ καὶ ἀναγκαῖον εἰπεῖν νομοθέτην ὅστις ἅπερ ἐγὼ διανοεῖται, ἐν δὲ σχήματι νόμου ἀναρμοστεῖ λεγόμενα, τούτων πέρι δοκεῖ μοι δεῖγμα προενεγκόντα

the sequel of the laws themselves, partly by persuasion and partly (when men’s habits defy persuasion) by forcible and just chastisement, will render our State, with the concurrence of the gods, a blessed State and a prosperous. There are also matters which a lawgiver, if he shares my view, must necessarily regulate, though they are ill-suited for statement in the form of a law; in dealing with these he ought, in my opinion, to produce a sample for his own use and that of those