The normal objective of my thought affords no insight into the dark places of human will and feeling.

Older men start wars, but younger men fight them.

For me a simple message, to think and act with courage, independence and imagination.

The analogy I like is this imagine being able to see the world but you are deaf, and then suddenly someone gives you the ability to hear things as well - you get an extra dimension of perception.

I do not believe that civilization will be wiped out in a war fought with the atomic bomb. Perhaps two-thirds of the people of the earth will be killed.

[Max Planck] was one of the finest people I have ever known... but he really didn't understand physics, [because] during the eclipse of 1919 he stayed up all night to see if it would confirm the bending of light by the gravitational field. If he had really understood [general relativity], he would have gone to bed the way I did

Time and space are not conditions of existence, time and space is a model for thinking