The most important causes of political arrangements and acts are found in the nature and behavior of man.

External pressure seems to produce internal unity.

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

The implication of game theory, which is also the implication of the third image, is, however, that the freedom of choice of any one state is limited by the actions of the others.

States in the world are like individuals in the state of nature. They are neither perfectly good nor are they controlled by law.

It is not true that were the Soviet Union to disappear the remaining states could easily live in peace.

With many sovereign states, with no system of law enforceable among them, with each state judging its grievances and ambitions according to the dictates of its own reason or desire - conflict, sometimes leading to war, is bound to occur.