Plato, Laws 836c

γάρ τις ἀκολουθῶν τῇ φύσει θήσει τὸν πρὸ τοῦ Λαΐου νόμον, λέγων ὡς ὀρθῶς εἶχεν τὸ τῶν ἀρρένων καὶ νέων μὴ κοινωνεῖν καθάπερ θηλειῶν πρὸς μεῖξιν ἀφροδισίων, μάρτυρα παραγόμενος τὴν τῶν θηρίων φύσιν καὶ δεικνὺς πρὸς τὰ τοιαῦτα οὐχ ἁπτόμενον ἄρρενα ἄρρενος διὰ τὸ μὴ φύσει τοῦτο εἶναι, τάχʼ ἂν χρῷτο πιθανῷ λόγῳ, καὶ ταῖς ὑμετέραις πόλεσιν οὐδαμῶς συμφωνοῖ. πρὸς δὲ τούτοις, ὃ διὰ παντός

they contradict us absolutely. If we were to follow in nature’s steps and enact that law which held good before the days of Laius, declaring that it is right to refrain from indulging in the same kind of intercourse with men and boys as with women, and adducing as evidence thereof the nature of wild beasts, and pointing out how male does not touch male for this purpose, since it is unnatural,—in all this we would probably be using an argument neither convincing nor in any way consonant with your States. Moreover, that object which, as we affirm, the lawgiver ought always to have in view