History of the Peloponnesian War

Thucydides

Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.

as no care had been taken to keep this voyage secret through contempt of the impotence of the Athenians, who had as yet no fleet of any account upon the sea. Agreeably to this determination twenty-one vessels were at once conveyed across the Isthmus.