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.
Moreover, the Syracusans proceeded to man and practise a fleet, for the purpose of making an attempt in that way also, and were in other respects much more full of confidence.