After the First World War the economic problem was no longer one of production. It was the problem of finding markets to get the output of industry and agriculture dispersed and consumed.

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

It is said that those whom the gods wish to destroy they first make mad. It may well be that a war neurosis stirred up by propaganda of fear and hatred is the prelude to destruction.

When the Industrial Revolution of the nineteenth century brought a rapid increase in wealth, the demand of workers for a fair share of the wealth they were creating was conceded only after riots and strikes.

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

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

Knowledge acquired in biological research is seldom directly applicable to human beings ... The results of scientific research, obtained under these conditions, cannot be applied directly to human beings who vary widely in their hereditary make-up, in their environment, and in their past health record.