It is strange to be known so universally and yet to be so lonely.

Belief in an external world independent of the perceiving subject is the basis of all natural science.

When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than my talent for absorbing positive knowledge. (Reading this makes me wonder how much sooner man could have walked on the moon... had we listened to a child's fantasies. It is truly a pity that so many lose their gift of imagination to the steady hum of the status quo.)

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

The most important tool of the theoretical physicist is his wastebasket.

My comprehension of God comes from a deeply felt conviction of a superior intelligence that reveals itself in the knowable world.

In a sailboat I become oblivious to everything else in the world.