All conditions and all circumstances in our lives are a result of a certain level of thinking. If we want to change the conditions and circumstances, we have to change the level of thinking that is responsible for it.

The bigotry of the nonbeliever is for me nearly as funny as the bigotry of the believer.

After a certain high level of technical skill is achieved science and art tend to coalesce in aesthetics, plasticity, and form. The greatest scientists are artists as well.

Every day, man is making bigger and better fool-proof things, and every day, nature is making bigger and better fools. So far, I think nature is winning.

The emotional state that leads to achievements resembles that of a worshiper or the lover.

Education is what is left after you've forgotten everything you've learned.

A person starts to live when he can live outside himself.