Plato, Letters 309b

μεθʼ ὑμῶν ὑπάρχουσί μοι μάρτυρες, ὧν ἐγὼ πολλοῖς συνηγωνισάμην, ἀπολύσας αὐτοὺς οὐ σμικρᾶς ζημίας. αὐτοκράτωρ δὲ πολλάκις τὴν ὑμετέραν πόλιν διαφυλάξας, ἀπεπέμφθην ἀτιμότερον ἢ πτωχὸν ὑμῶν ἀποστελλόντων προσήκει καὶ κελευόντων ἐκπλεῦσαι, τοσοῦτον παρʼ ὑμῖν διατρίψαντα χρόνον. ἐγὼ μὲν οὖν περὶ ἐμαυτοῦ βουλεύσομαι τὸ λοιπὸν τρόπον ἀπανθρωπότερον, σὺ δὲ τοιοῦτος ὢν τύραννος οἰκήσεις μόνος. τὸ δὲ χρυσίον τὸ λαμπρόν,

all those who take a part in your government, many of whom I have helped in their times of trial and saved them from no small damage. But after I had oftentimes kept guard over your City as sole Dictator, I was dismissed with more ignominy than a beggar would deserve who had stayed with you for so long a time, were you to pack him off and order him to sail away. For the future, therefore, I for my part will consult my own interests in less philanthropic fashion, while you, gross tyrant that you are, will dwell alone. And as for the splendid sum of gold