Plato, Letters 332c

ἑβδομήκοντα ἔτη διεφύλαξαν τὴν ἀρχὴν ἄνδρας φίλους ἐν ταῖς πόλεσιν ἑκάσταις κεκτημένοι. Διονύσιος δὲ εἰς μίαν πόλιν ἁθροίσας πᾶσαν Σικελίαν, ὑπὸ σοφίας πιστεύων οὐδενί, μόγις ἐσώθη· πένης γὰρ ἦν ἀνδρῶν φίλων καὶ πιστῶν, οὗ μεῖζον σημεῖον εἰς ἀρετὴν καὶ κακίαν οὐκ ἔστιν οὐδέν, τοῦ ἔρημον ἢ μὴ τοιούτων ἀνδρῶν εἶναι. ἃ δὴ καὶ Διονυσίῳ συνεβουλεύομεν ἐγὼ καὶ δίων, ἐπειδὴ τὰ παρὰ τοῦ πατρὸς

because they possessed citizens who were their friends in each of those cities. But Dionysius, though he amalgamated the whole of Sicily into one City-State, because in his wisdom he distrusted everyone, barely achieved safety; for he was poor in men who were loyal friends, and there exists no surer sign of a man’s virtue or vice than whether he is or is not destitute of men of that kind. Such, then, was the counsel which Dion and I always gave to Dionysius. Inasmuch as the result of his father’s conduct was