Plato, Letters 347b

παντάπασιν ἔσται μοι καταγελάστως πεπραγμένα—τάλαντα γὰρ ἴσως ἐστὶν οὐκ ἔλαττον, ἂν ἐκτιμᾷ τις ὀρθῶς, ἑκατὸν ἡ Δίωνος οὐσία—ἂν δʼ οὖν γίγνηται τὰ νῦν ὑποφαίνοντα οἷα εἰκὸς αὐτὰ γίγνεσθαι, ἀπορῶ μὲν ὅτι χρήσομαι ἐμαυτῷ, ὅμως δὲ ἀναγκαῖον ἴσως ἐνιαυτόν γʼ ἔτι πονῆσαι καὶ ἔργοις ἐλέγξαι πειρᾶσθαι τὰς Διονυσίου μηχανάς. ταῦτά μοι δόξαντα, εἰς τὴν ὑστεραίαν εἶπον πρὸς Διονύσιον ὅτι δέδοκταί

not altogether contemptible—for Dion’s property, if it is rightly valued, amounts probably to as much as a hundred talents; whereas if the events now dimly threatening come to pass in the way that seems likely, I am at a loss to know what I shall do with myself. Notwithstanding, I am obliged, it appears, to endure another year of toil and endeavor to test by actual experience the devices of Dionysius. When I had come to this decision, I said to Dionysius on the following day—I have decided to remain. I request you, however,