Plato, Letters 319d

ὑπὸ βαρβάρων οἰκίζειν, οὐδὲ Συρακουσίους ἐπικουφίσαι βασιλείαν ἀντὶ τυραννίδος μεταστήσαντα. τούτων γὰρ οὔθʼ ἧττον ἐμοὶ πρέποντα ἔχοις ἄν ποτε λέγων μου καταψεύσασθαι, πρὸς δὲ τούτοις ἔτι σαφεστέρους τούτων εἰς ἔλεγχον λόγους ἐγὼ δοίην ἄν, εἴ τις ἱκανή που φαίνοιτο κρίσις, ὡς ἐγὼ μὲν ἐκέλευον, σὺ δʼ οὐκ ἤθελες πράττειν αὐτά· καὶ μὴν οὐ χαλεπὸν εἰπεῖν ἐναργῶς ὡς ἦν ταῦτα ἄριστα πραχθέντα καὶ σοὶ καὶ

and from relieving the Syracusans by substituting a monarchy for a tyranny. For you could never bring any false accusation against me that was less appropriate than these; and, moreover, in refutation of them I could bring still clearer statements if any competent tribunal were anywhere to be seen—showing that it was I who was urging you, and you who were refusing, to execute these plans. And, verily, it is easy to affirm frankly that these plans, if they had been executed, were the best both for you and the Syracusans, and for all the Siceliots. But, my friend,