Plato, Laws 657a

οὔτε τι καλλίονα οὔτʼ αἰσχίω, τὴν αὐτὴν δὲ τέχνην ἀπειργασμένα. θαυμαστὸν λέγεις. νομοθετικὸν μὲν οὖν καὶ πολιτικὸν ὑπερβαλλόντως. ἀλλʼ ἕτερα φαῦλʼ ἂν εὕροις αὐτόθι· τοῦτο δʼ οὖν τὸ περὶ μουσικὴν ἀληθές τε καὶ ἄξιον ἐννοίας, ὅτι δυνατὸν ἄρʼ ἦν περὶ τῶν τοιούτων νομοθετεῖσθαι βεβαίως θαρροῦντα μέλη τὰ τὴν ὀρθότητα φύσει παρεχόμενα. τοῦτο δὲ θεοῦ ἢ θείου τινὸς ἀνδρὸς ἂν εἴη, καθάπερ ἐκεῖ φασιν τὰ τὸν πολὺν τοῦτον

not loosely but literally 10,000) are no whit better or worse than the productions of today, but wrought with the same art. A marvellous state of affairs! Say rather, worthy in the highest degree of a statesman and a legislator. Still, you would find in Egypt other things that are bad. This, however, is a true and noteworthy fact, that as regards music it has proved possible for the tunes which possess a natural correctness to be enacted by law and permanently consecrated. To effect this would be the task of a god or a godlike man,—even as in Egypt they say that the tunes preserved throughout