Plato, Laws 672a

ὥσπερ τὰ νῦν ἐχθροί, κατὰ νόμους δὲ πᾶσαν τὴν συνουσίαν συγγενόμενοι καὶ ἀκολουθήσαντες, ὁπότε ἀφηγοῖντο οἱ νήφοντες τοῖς μὴ νήφουσιν; ὀρθῶς, εἴ γε δὴ εἴη τοιαύτη οἵαν νῦν λέγεις. μὴ τοίνυν ἐκεῖνό γʼ ἔτι τῆς τοῦ Διονύσου δωρεᾶς ψέγωμεν ἁπλῶς, ὡς ἔστιν κακὴ καὶ εἰς πόλιν οὐκ ἀξία παραδέχεσθαι. καὶ γὰρ ἔτι πλείω τις ἂν ἐπεξέλθοι λέγων· ἐπεὶ καὶ τὸ μέγιστον ἀγαθὸν ὃ δωρεῖται λέγειν μὲν ὄκνος εἰς τοὺς πολλοὺς διὰ τὸ κακῶς τοὺς ἀνθρώπους αὐτὸ ὑπολαβεῖν

and would listen to the directions given to the un-sober by the sober. True, if it really were of the character you describe. Then we must no longer, without qualification, bring that old charge against the gift of Dionysus, that it is bad and unworthy of admittance into a State. Indeed, one might enlarge considerably on this subject; for the greatest benefit that gift confers is one which one hesitates to declare to the multitude, since,