History of the Peloponnesian War

But when Potidaea was once besieged, both for their men's sakes that were within and also for fear to lose the place they could no longer hold. But out of hand they procured of their confederates to go to Lacedaemon; and thither also they went themselves with clamours and accusations against the Athenians that they had broken the league and wronged the Peloponnesians.