The transitory interests of royal houses may be advanced in war; the real interests of all people are furthered by the peace.

In anarchy there is no automatic harmony .

War may achieve a redistribution of resources, but labor, not war, creates wealth.

To solve these problems one needs as much an understanding of politics as an understanding of man - and the one cannot be derived from the other.

The best critical consideration of the inherent weakness of a federation of states in which the law of the federation has to be enforced on the states who are its members is contained in the Federalist Papers.

To build a theory of international relations on accidents of geography and history is dangerous.

Then what explains war among states? Rousseau's answer is really that war occurs because there is nothing to prevent it.