History of the Peloponnesian War
Thucydides
Thucydides. Historiae, Vol 1-2. Jones, Henry Stuart, editor. Oxford: Oxford University Press, 1910. (1942 printing).
πρῶτος γὰρ ἐξελθὼν καὶ δόξας εἶναι κατὰ πάντα ἀγαθὸς ἐλπίδα ἐγκατέλιπε βέβαιον ὡς καὶ οἱ ἄλλοι τοιοῦτοί εἰσιν.