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.
They spoke to this effect, and all the army of the Corcyraeans that heard them immediately cried out,
Seize them and put them to death!But the Athenians answered as follows:
We are neither commencing war, Peloponnesians, nor breaking the treaty; but we have come to assist the Corcyraeans here, who are our allies. If therefore you wish to sail any where else, we do not stop you; but if you sail against Corcyra, or to any of the places belonging to them, we shall, to the best of our power, not permit it.