It is only to the individual that a soul is given.

If we knew what it was we were doing, it would not be called research, would it?

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 any talent for abstract, positive thinking.

The most beautiful thing we can experience is the mysterious. It is the source of all art and science.

Great spirits have always found violent opposition from mediocrities. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence.

The secret to creativity is knowing how to hide your sources.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.