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.
In this way they gave up the city, and late in the same day Thucydides and his ships entered the harbour of Eion,
Brasidas having just got hold of Amphipolis, and having been within a night of taking Eion had the ships been less prompt in relieving it, in the morning it would have been his.