History of the Peloponnesian War

Thucydides

Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.

And he was well assured, he said, that the Syracusans, by unexpectedly daring to offer resistance to the navy of the Athenians, would in a greater degree gain advantage from the surprise of the enemy on that account, than the Athenians by their skill would harm the unskilful Syracusans.

He urged them therefore to proceed to the trial with their fleet, and not to shrink from it.
Accordingly the Syracusans, at the persuasion of Gylippus, Hermocrates, and whoever else joined them, resolved on the sea-fight, and proceeded to man their ships.