History of the Peloponnesian War

Thucydides

Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.

The victory of the Syracusans having now proved decisive by sea also—for before this they had always been afraid of the new fleet that had come with Demosthenes—the Athenians were in utter despondency. Great had been their miscalculation, and far greater still was their regret at having made the expedition. For of all the cities with which they had gone to war, these alone were at that time similar in character to their own, democratic in constitution like themselves, and strong in ships, cavalry and size.