Plato, Letters 350a

ᾤκουν δὴ τὸ μετὰ τοῦτο ἔξω τῆς ἀκροπόλεως ἐν τοῖς μισθοφόροις· προσιόντες δέ μοι ἄλλοι τε καὶ οἱ τῶν ὑπηρεσιῶν ὄντες Ἀθήνηθεν, ἐμοὶ πολῖται, ἀπήγγελλον ὅτι διαβεβλημένος εἴην ἐν τοῖς πελτασταῖς καί μοί τινες ἀπειλοῖεν, εἴ που λήψονταί με, διαφθερεῖν. μηχανῶμαι δή τινα τοιάνδε σωτηρίαν. πέμπω παρʼ Ἀρχύτην καὶ τοὺς ἄλλους φίλους εἰς Τάραντα, φράζων ἐν οἷς ὢν τυγχάνω· οἱ δὲ πρόφασίν τινα πρεσβείας πορισάμενοι παρὰ τῆς πόλεως πέμπουσιν

the mercenaries; and amongst others some of the servants who were from Athens, fellow-citizens of my own, came to me and reported that I had been slanderously spoken of amongst the peltasts; and that some of them were threatening that if they could catch me they would make away with me. So I devised the following plan to save myself: I sent to Archytas and my other friends in Tarentum stating the position in which I found myself: and they, having found some pretext for an Embassy from the State,