History of the Peloponnesian War
Thucydides
Thucydides. Historiae, Vol 1-2. Jones, Henry Stuart, editor. Oxford: Oxford University Press, 1910. (1942 printing).
οἱ δὲ Ἀθηναῖοι, ὡς καὶ τοῦ θεοῦ ἄγος κρίναντος, ἀντεπέταξαν τοῖς Λακεδαιμονίοις ἐλαύνειν αὐτό.