Plato, Laws 671b

λεγομένων. ἀνάγκη. πᾶς δέ γε αὐτὸς αὑτοῦ κουφότερος αἴρεται καὶ γέγηθέν τε καὶ παρρησίας ἐμπίμπλαται καὶ ἀνηκουστίας ἐν τῷ τοιούτῳ τῶν πέλας, ἄρχων δʼ ἱκανὸς ἀξιοῖ ἑαυτοῦ τε καὶ τῶν ἄλλων γεγονέναι. τί μήν; οὐκοῦν ἔφαμεν, ὅταν γίγνηται ταῦτα, καθάπερ τινὰ σίδηρον τὰς ψυχὰς τῶν πινόντων διαπύρους γιγνομένας μαλθακωτέρας γίγνεσθαι καὶ νεωτέρας, ὥστε εὐαγώγους

an inevitable result. Inevitable. Everyone is uplifted above his normal self, and is merry and bubbles over with loquacious audacity himself, while turning a deaf ear to his neighbors, and regards himself as competent to rule both himself and everyone else. To be sure. And did we not say that when this takes place, the souls of the drinkers turn softer, like iron, through being heated, and younger too; whence they become ductile, just as when they were young,