The indifference, callousness and contempt that so many people exhibit toward animals is evil first because it results in great suffering in animals, and second because it results in an incalculably great impoverishment of the human spirit.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.

I am not a genius, I am just curious. I ask many questions. and when the answer is simple, then God is answering.

The enormous mental resilience, without which no Chess player can exist, was so much taken up by Chess that he could never free his mind of this game

Logic will get you from A to B. Imagination will take you everywhere.

If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.