History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
"Though we are come hither for the purpose of renewing our former alliance, yet, as the Syracusan orator has attacked us on that head, we must also address you on the subject of our empire, to show that we enjoy it on just grounds.