Plato, Laws 890b

οἷον διελήλυθας, ὦ ξένε, λόγον, καὶ ὅσην λώβην ἀνθρώπων νέων δημοσίᾳ πόλεσίν τε καὶ ἰδίοις οἴκοις. ἀληθῆ μέντοι λέγεις, ὦ Κλεινία. τί οὖν οἴει χρῆναι δρᾶν τὸν νομοθέτην, οὕτω τούτων πάλαι παρεσκευασμένων; ἢ μόνον ἀπειλεῖν στάντα ἐν τῇ πόλει σύμπασι τοῖς ἀνθρώποις, ὡς εἰ μὴ φήσουσιν εἶναι θεοὺς καὶ διανοηθήσονται δοξάζοντες τοιούτους οἵους φησὶν ὁ νόμος—καὶ περὶ καλῶν καὶ δικαίων καὶ περὶ ἁπάντων τῶν μεγίστων ὁ αὐτὸς λόγος,

What a horrible statement you have described, Stranger! And what widespread corruption of the young in private families as well as publicly in the States! That is indeed true, Clinias. What, then, do you think the lawgiver ought to do, seeing that these people have been armed in this way for a long time past? Should he merely stand up in the city and threaten all the people that unless they affirm that the gods exist and conceive them in their minds to be such as the law maintains and so likewise with regard to the beautiful and the just and all the greatest things,