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 he, endeavouring to reassure them with regard to these matters, said: "You need only consign the city and your houses to us, the Lacedaemonians, pointing out to us the boundaries of your land and telling us the number of your trees and whatever else can be numbered; then as for yourselves migrate to whatever place you please, remaining there while the war lasts; but as soon as the war is over we will give back to you whatever we have received; until then we will hold it all in trust, working the land and paying you whatever rent will satisfy you."
With this answer the Plataean envoys went again into the city, and after they had conferred with the people replied that they wished first to communicate his proposals to the Athenians, and if they could gain their consent would do what he proposed; but meanwhile they requested him to grant them a truce and not to ravage the land. And so he made a truce for the number of days within which their representatives could be expected to go and return, and did not lay waste their land.