Our world faces a crisis as yet unperceived by those possessing power to make great decisions for good or evil. The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.

The state exists for man, not man for the state. The same may be said of science. These are old phrases, coined by people who saw in human individuality the highest human value. I would hesitate to repeat them, were it not for the ever recurring danger that they may be forgotten, especially in these days of organization and stereotypes.

Older men start wars, but younger men fight them.

Intelligence and genius

We act as though comfort and luxury were the chief requirements of life. All that we need to make us happy is something to be enthusiastic about.

What physics looks for: The simplest possible system of thought which will bind together the observed facts.

The world will not be destroyed by those who do evil, but by those who watch them without doing anything.