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.

Meanwhile, through spies, as well as from many other sources, positive information was already coming in to the Syracusans that the Athenian fleet was at Rhegium; and under these conditions they began to make preparations with all zeal, and were no longer incredulous. They sent around also to the Sicels, to some places guards, to others envoys; they brought garrisons into the forts in the outlying districts; as to affairs in the city, they made an inspection of arms and of horses, to see whether everything was up to full strength; and all other matters they were arranging with a view to a war that was imminent and all but upon them.