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.
About the same time Panactum, a fortress on the frontier of Attica, was betrayed to the Boeotians.
As for Cleon, after setting a guard over Torone, he weighed anchor and sailed round Athos with a view to attacking Amphipolis.
About the same time Phaeax son of Erasistratus and two others were sent by the Athenians with two ships on a mission to Italy and Sicily.
For the Leontines, on the departure of the Athenians from Sicily after the general peace,[*](cf. 4.65. init.) had enrolled many new citizens,[*](This was to strengthen the democratic party, and for their benefit a new division of state lands was to be made.) and the people were minded to make a redistribution of the land.