History of the Peloponnesian War

and about afternoon of the next day the wall was all but completed, when the garrison in Nisaea, in despair of provisions, (for they used to receive daily rations from the upper city,) not thinking that the Peloponnesians would soon relieve them, and supposing the Megareans to be their enemies, capitulated to the Athenians, on condition that after surrendering their arms they should each be ransomed for a stipulated sum; but that the Lacedaemonians, both the commander and all others in the place, should be treated by the Athenians according to their pleasure. On these conditions they surrendered and went out;

and the Athenians, having broken down the long walls at their abutment on Megara, and having taken possession of Nisaea, proceeded with their other preparations.