History of the Peloponnesian War
Thucydides
Thucydides. Historiae, Vol 1-2. Jones, Henry Stuart, editor. Oxford: Oxford University Press, 1910. (1942 printing).
καὶ εἰ τοῦδε σφάλλοιντο, τράποιντ’ ἂν καὶ ἐς τὴν γῆν ὑμῶν καὶ ἐπὶ τοὺς λοιποὺς τῶν ξυμμάχων, ὅσους μὴ Βρασίδας ἐπῆλθεν· καὶ οὐ περὶ τῆς μὴ προσηκούσης μᾶλλον ἢ τῆς οἰκειοτέρας ξυμμαχίδος τε καὶ γῆς ὁ πόνος ὑμῖν ἔσται.