Not until the creation and maintenance of decent conditions of life for all men are recognized and accepted as a common obligation of all men and all countries — not until then shall we, with a certain degree of justification, be able to speak of mankind as civilized.

The important thing is to never stop questioning. Never lose a holy curiosity.

The world we have created is a product of our thinking.

How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.

The tragedy of life is what dies in the hearts and souls of people while they live.

A world government with powers adequate to guarantee security is not a remote ideal for the distant future. It is an urgent necessity if our civilization is to survive.

The armament industry is indeed one of the greatest dangers that beset mankind. It is the hidden evil power.