That is the way to learn the most, that when you are doing something with such enjoyment that you don't notice that the time passes.

The harmony of natural law reveals an Intelligence of such superiority that, compared with it, all the systematic thinking and acting of human beings is an utterly insignificant reflection.

Concepts that have proven useful in ordering things easily achieve such authority over us that we forget their earthly origins and accept them as unalterable givens.

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

To one bent on age, death will come as a release. I feel this quite strongly now that I have grown old myself and have come to regard death like an old debt, at long last to be discharged.

The more success the quantum theory has, the sillier it looks

Fear or stupidity has always been the basis of most human actions.