Plato, Letters 336e

στάσεων πολλαὶ καὶ παντοδαπαὶ φυόμεναι ἑκάστης ἡμέρας διαφοραί, εἰδέναι μέν που χρὴ πάντα τινὰ ἄνδρα, ᾧ καὶ βραχὺ δόξης ὀρθῆς μετέδωκεν θεία τις τύχη, ὡς οὐκ ἔστιν παῦλα κακῶν τοῖς στασιάσασιν, πρὶν ἂν οἱ κρατήσαντες μάχαις καὶ ἐκβολαῖς ἀνθρώπων καὶ σφαγαῖς μνησικακοῦντες

which spring up daily between the factions, then every single man on whom the grace of Heaven has bestowed even a small measure of right opinion must surely be aware that there is no cessation of evils for the warring factions until those who have won the mastery cease from perpetuating feuds by assaults and expulsions and executions, and cease from