Not everything that counts can be counted, and not everything that can be counted counts.
Technological progress is like an axe in the hands of a pathological criminal.
The whole of science is nothing more than a refinement of everyday thinking.
The only thing that interferes with my learning is my education
The secret to creativity is knowing how to hide your sources.
Sometimes one pays most for the things one gets for nothing.
I never think of the future. It comes soon enough.
Weakness of attitude becomes weakness of character.
The only real valuable thing is intuition.
Reality is merely an illusion, albeit a very persistent one.