When the fabric of society is so rigid that it cannot change quickly enough, adjustments are achieved by social unrest and revolutions.

The real evil of the Russian communist state is not communism. It is the secret police and the concentration camp.

There can be no peace in the world so long as a large proportion of the population lack the necessities of life and believe that a change of the political and economic system will make them available. World peace must be based on world plenty.

Our civilization has evolved through the continuous adjustment of society to the stimulus of new knowledge.

Some think the worst horrors of war might be avoided by an international agreement not to use atomic bombs. This is a vain hope.

We are now physically, politically, and economically one world and nations so interdependent that the absolute national sovereignty of nations is no longer possible.

Empires won by conquest have always fallen either by revolt within or by defeat by a rival.