The best design is the simplest one that works.

Isn't it strange that I who have written only unpopular books should be such a popular fellow?

The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

Well, I have considered myself to be very fortunate in that I have been able to do mostly only that which my inner self told me to do... I am also aware that I do receive much criticism from the outside world for what I do and some people actually get angry at me. But this does not really touch me because I feel that these people do not live in he same world as do I.

There's a genius in all of us.

It should be possible to explain the laws of physics to a barmaid.

I never teach my pupils, I only attempt to provide the conditions in which they can learn.