Plato, Laws 888b

πολλὰ ὧν νῦν δοξάζεις μεταβαλόντα ἐπὶ τἀναντία τίθεσθαι· περίμεινον οὖν εἰς τότε κριτὴς περὶ τῶν μεγίστων γίγνεσθαι, μέγιστον δέ, ὃ νῦν οὐδὲν ἡγῇ σύ, τὸ περὶ τοὺς θεοὺς ὀρθῶς διανοηθέντα ζῆν καλῶς ἢ μή. πρῶτον δὲ περὶ αὐτῶν ἕν τι μέγα σοι μηνύων οὐκ ἄν ποτε φανείην ψευδής, τὸ τοιόνδε. οὐ σὺ μόνος οὐδὲ οἱ σοὶ φίλοι πρῶτοι καὶ πρῶτον ταύτην δόξαν περὶ θεῶν ἔσχετε, γίγνονται δὲ ἀεὶ πλείους ἢ ἐλάττους ταύτην τὴν νόσον ἔχοντες· τόδε τοίνυν σοι, παραγεγονὼς

will cause you to reverse many of the opinions you now hold: so wait till then before pronouncing judgment on matters of most grave importance; and of these the gravest of all—though at present you regard it as naught—is the question of holding a right view about the gods and so living well, or the opposite. Now in the first place, I should be saying what is irrefutably true if I pointed out to you this signal fact, that neither you by yourself nor yet your friends are the first and foremost to adopt this opinion about the gods; rather is it true that people who suffer from this disease are always springing up, in greater or less numbers. But I, who have met with many of these people, would declare this to you, that not a single man