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.
So he sailed to Aegina and waited there for any part of the armament that had been left behind, and also until Charicles should take on board the Argive hoplites.
In Sicily, during the same spring and at about the same time, Gylippus returned to Syracuse, bringing from each of the cities which he had prevailed upon as large a body of troops as he could secure.
And calling together the Syracusans, he told them that they should man as many ships as possible and try their luck in fighting at sea; for he hoped thereby to accomplish something for the furtherance of the war that would be worth the risk.