History of the Peloponnesian War

The convention of the Lacedaemonians and the allies with King Darius, the sons of the king, and Tissaphernes, that there should be a treaty and friendship between them on these terms:

Whatever territory and cities belong to King Darius, or did belong to his father, or his ancestors, against these neither the Lacedaemonians nor the allies of the Lacedaemonians shall be permitted to proceed for the purpose of war, or for any harm: neither shall the Lacedaemonians, nor their confederates, exact tribute from these cities. Neither shall King Darius, or any states in the king's dominions, be allowed to proceed against the Lacedaemonians, or their allies, for the purpose of war or other injury.——Should the Lacedaemonians, or their allies, require any assistance from the king, or the king stand in need of any from the Lacedaemonians, or their allies;