It is very difficult to explain this feeling to anyone who is entirely without it, especially as there is no anthropomorphic conception of God corresponding to it. The individual feels the nothingness of human desires and aims and the sublimity and marvelous order which reveal themselves both in Nature and in the world of though. He looks upon individual existence as a sort of prison and wants to experience the universe as a single significant whole.

Science will stagnate if it is made to serve practical goals.

The thinking it took to get us into this mess is not the same thinking that is going to get us out of it.

I like to think the moon is there even if I am not looking at it.

The greater the doubt, the greater the awakening

To invent something, all you need is imagination and a big pile of junk.

Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.