History of the Peloponnesian War

The Lacedaemonians (for it fell unto them by lot to begin the restitution) both dismissed presently those prisoners they had then in their hands and also sent ambassadors, Ischagoras, Menas, and Philocharidas, into the parts upon Thrace with command to Clearidas to deliver up Amphipolis to the Athenians, and requiring the rest of their confederates there to accept of the peace in such manner as was for every of them accorded.

But they would not do it because they thought it was not for their advantage; and Clearidas also, to gratify the Chalcideans, surrendered not the city, alleging that he could not do it whether they would or not.