Plato, Republic, book 3 72:

μὲν ὑπηκόουσ εἶναι, αὐτοὺσ δὲ ἄρχοντασ τῶν περὶ πότουσ καὶ ἀφροδίσια καὶ περὶ ἐδωδὰσ ἡδονῶν;