Plato, Laws 662b

ὅπως; εἰ θεὸς ἡμῖν, ὡς ἔοικεν, ὦ φίλοι, δοίη τις συμφωνίαν, ὡς νῦν γε σχεδὸν ἀπᾴδομεν ἀπʼ ἀλλήλων. ἐμοὶ γὰρ δὴ φαίνεται ταῦτα οὕτως ἀναγκαῖα, ὡς οὐδέ, ὦ φίλε Κλεινία, Κρήτη νῆσος σαφῶς· καὶ νομοθέτης ὢν ταύτῃ πειρῴμην ἂν τούς τε ποιητὰς ἀναγκάζειν φθέγγεσθαι καὶ πάντας τοὺς ἐν τῇ πόλει, ζημίαν τε ὀλίγου μεγίστην ἐπιτιθείην ἄν, εἴ τις ἐν τῇ χώρᾳ φθέγξαιτο ὡς εἰσίν τινες

if some god were to grant us concord, since at present we are fairly at discord one with another. In my opinion these facts are quite indisputable even more plainly so, my dear Clinias, than the fact that Crete is an island; and were I a legislator, I should endeavor to compel the poets and all the citizens to speak in this sense; and I should impose all but the heaviest of penalties on anyone in the land who should declare that