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.
It is neither prudent for any parties to utter calumnies against each other, nor for those who hear them to admit them; but rather to see, with regard to the intelligence brought to us, how we may prepare, both each man severally and the whole city together, to defend ourselves well against the invaders.