Plato, Letters 327c

αὐτὸς ὑπὸ τῶν ὀρθῶν λόγων ἔσχεν, ἐγγιγνομένην δὲ αὐτὴν καὶ ἐν ἄλλοις ὁρῶν κατενόει, πολλοῖς μὲν οὔ, γιγνομένην δʼ οὖν ἔν τισιν, ὧν καὶ Διονύσιον ἡγήσατο ἕνα γενέσθαι τάχʼ ἂν συλλαμβανόντων θεῶν, γενομένου δʼ αὖ τοῦ τοιούτου τόν τε αὐτοῦ βίον καὶ τὸν τῶν ἄλλων Συρακουσίων ἀμήχανον ἂν μακαριότητι συμβῆναι γενόμενον. πρὸς δὴ τούτοις ᾠήθη δεῖν ἐκ παντὸς τρόπου εἰς Συρακούσας ὅτι τάχιστα ἐλθεῖν ἐμὲ

and in fact he saw it being implanted in others also— not in many, it is true, but yet implanted in some; and of these he thought that Dionysius (with Heaven’s help) might become one, and that, if he did become a man of this mind, both his own life and that of all the rest of the Syracusans would, in consequence, be a life of immeasurable felicity. Moreover, Dion considered that I ought, by all means, to come to Syracuse with all speed to be his partner in this task, since he bore in mind