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.
But it chanced that in that quarter of the town, inside the walls, the arms of the Mendaeans and their auxiliaries were deposited, and Polydamidas was there drawing his troops up for battle and exhorting the Mendaeans to make a sortie.
Some one of the popular party mutinously answered him that he would not go out and had no use for war, but no sooner had he answered than Polydamidas seized him with violence and roughly handled him; whereupon the populace in great anger at once caught up their arms and advanced upon the Peloponnesians and the opposite party who were in league with them.