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.
but if we shall practise and prepare against them, time will pass in the interval. Well then, is it in our money? Nay, but we are still more deficient in this, and neither have it in the public treasury, nor readily contribute it from our private funds.
"Perhaps some one might feel confident because we excel them in heavy-armed troops, and in numbers, so that we might invade and ravage their land.
But they have other land in abundance, over which they rule, and will import what they want by sea.
If, again, we shall attempt to make their allies revolt from them, we shall have to assist these also with ships, as they are generally islanders.