History of the Peloponnesian War

3. The treaty shall be binding for fifty years upon the Athenians and the allies of the Athenians, and upon the Lacedaemonians and the allies of the Lacedaemonians, without fraud or hurt by land or by sea.

4. It shall not be lawful to take up arms, with intent to do hurt, either for the Lacedaemonians and their allies against the Athenians and their allies, or for the Athenians and their allies against the Lacedaemonians and their allies, in any way or means whatsoever. But should any difference arise between them they are to have recourse to law and oaths, according as may be agreed between the parties.