History of the Peloponnesian War

Upon the arrival of the men the Athenians determined to keep them in prison until the peace, and if the Peloponnesians invaded their country in the interval, to bring them out and put them to death.

Meanwhile the defence of Pylos was not forgotten; the Messenians from Naupactus sent to their old country, to which Pylos formerly belonged, some of the likeliest of their number, and began a series of incursions into Laconia, which their common dialect rendered most destructive.