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 Syracusan commanders accordingly, being won over to this plan, sent a messenger, and the market was prepared. Then the Syracusans, suddenly rowing astern, sailed back to the city, where they disembarked and at once made their dinner on the spot.
But the Athenians, thinking that the enemy had withdrawn to the city because they believed themselves to be outmatched, disembarked at their leisure and busied themselves with various other duties as well as with their dinner, in the belief that for that day at least there would be no more fighting at sea.