Plato, Laws 906b

καὶ σωφροσύνη μετὰ φρονήσεως, ἐν ταῖς τῶν θεῶν ἐμψύχοις οἰκοῦσαι δυνάμεσιν, βραχὺ δέ τι καὶ τῇδε ἄν τις τῶν τοιούτων ἐνοικοῦν ἡμῖν σαφὲς ἴδοι. ψυχαὶ δέ τινες ἐπὶ γῆς οἰκοῦσαι καὶ ἄδικον λῆμμα κεκτημέναι δῆλον ὅτι θηριώδεις, πρὸς τὰς τῶν φυλάκων ψυχὰς ἄρα κυνῶν ἢ τὰς τῶν νομέων ἢ πρὸς τὰς τῶν παντάπασιν ἀκροτάτων δεσποτῶν προσπίπτουσαι, πείθουσιν θωπείαις λόγων καὶ ἐν εὐκταίαις τισὶν ἐπῳδαῖς,

what saves us, justice and temperance combined with wisdom, which dwell in the animate powers of the gods, and of which some small trace may be clearly seen here also residing in us. But there are certain souls that dwell on earth and have acquired unjust gain which, being plainly bestial, beseech the souls of the guardians—whether they be watch-dogs or herdsmen or the most exalted of masters—trying to convince them by fawning words