Passage 9.14.1
τὸ μὲν δὴ παραυτίκα ὁ Ἐπαμινώνδας μετὰ τὴν μάχην Πελοποννησίων τοῖς λοιποῖς ἀπιέναι προειπὼν ἐπὶ τὰ οἰκεῖα Λακεδαιμονίους ἐν τοῖς Λεύκτροις εἶχεν ἀπειλημμένους· ὡς δὲ ἤκουε τοὺς ἐκ τῆς πόλεως Σπαρτιάτας βοηθήσοντας τοῖς σφετέροις ἐς Λεῦκτρα ἰέναι πανδημεί, δίδωσιν οὕτω τοῖς ἀνδράσιν ἀπελθεῖν ὑποσπόνδους ἔφη τε ἄμεινον ἔσεσθαι τὸν πόλεμόν σφισιν ἐκ Βοιωτῶν ἐς τὴν Λακεδαίμονα ἀπώσασθαι.
After the battle with the Peloponnesians, Epaminondas initially kept the Lacedaemonians hemmed in at Leuctra, though he had permitted the other survivors to depart each to their homes. When he learned, however, that the Spartans from the city were marching to aid their people at Leuctra with their full forces, he allowed the men held at Leuctra to withdraw under truce. He declared it would be better for the Thebans to push the war away from Boeotia and into Lacedaemonian territory itself.