Creativity is a type of learning process where the teacher and pupil are located in the same individual.
The principal mark of genius is not perfection but originality, the opening of new frontiers.
We cannot unthink unless we are insane.
Nothing is more sad than the death of an illusion.
The most persistent sound which reverberates through men's history is the beating of war drums.
Scientists are peeping toms at the keyhole of eternity.
If one looks with a cold eye at the mess man has made of history, it is difficult to avoid the conclusion that he has been afflicted by some built-in mental disorder which drives him towards self-destruction.
Creative synthesis has a basic, bisociative pattern : the sudden interlocking of two previously unrelated skills or matrices of thought.
Courage is never to let your actions be influenced by your fears.
The more original a discovery, the more obvious it seems afterwards.
The evolution of the brain not only overshot the needs of prehistoric man, it is the only example of evolution providing a species with an organ which it does not know how to use