Life exists in the universe only because the carbon atom possesses certain exceptional properties.

We may as well cut out group theory. That is a subject that will never be of any use in physics.

The human race, whose intelligence dates back only a single tick of the astronomical clock, could hardly hope to understand so soon what it all means.

The motion of the stars over our heads is as much an illusion as that of the cows, trees and churches that flash past the windows of our train.

The essential fact is that all the pictures which science now draws of nature, and which alone seem capable of according with observational facts, are mathematical pictures.

All discussion of the ultimate nature of things must necessarily be barren unless we have some extraneous standards against which to compare them.

The stream of knowledge is heading towards a non-mechanical reality; the universe begins to look more like a great thought than like a machine. Mind no longer appears to be an accidental intruder into the realm of matter...we ought rather hail it as the creator and governor of the realm of matter.