Feeling and longing are the motive forces behind all human endeavor and human creations.

Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.

Even on the most solemn occasions I got away without wearing socks and hid that lack of civilization in high boots

I learned many years ago never to waste time trying to convince my colleagues.

I wish to do something Great and Wonderful, but I must start by doing the little things like they were Great and Wonderful

It is true that the grasping of truth is not possible without empirical basis. However, the deeper we penetrate and the more extensive and embracing our theories become the less empirical knowledge is needed to determine those theories.

The only real valuable thing is intuition. The intellect has little to do on the road to discovery