"It is not possible that this unity of knowledge, feeling and choice which you call your own should have sprung into being from nothingness at a given moment not so long ago; rather this knowledge, fee…"

"The world is a puzzle, and we are here to solve it."

"The world is not a machine. It is a living being."

"The human mind is not capable of grasping the universe. We are like a little child entering a huge library. The walls are covered to the ceilings with books in many different tongues. The child knows …"

"The existence of life on Earth is just a fluke. There is no special reason for it."