Einstein was once asked how many feet are in a mile. Einstein's reply was "I don't know, why should I fill my brain with facts I can find in two minutes in any standard reference book?

The scientist finds his reward in what Henri Poincare calls the joy of comprehension, and not in the possibility of application to which any discovery may lead.

The definition of genius is taking the complex and making it simple.

The Press, which is mostly controlled by vested interests, has an excessive influence on public opinion.

Truly novel inventions emerge only in one's youth. Later one becomes ever more experienced, famous-and foolish.

I hate crowds and making speeches. I hate facing cameras and having to answer to a crossfire of questions. Why popular fancy should seize upon me, a scientist, dealing in abstract things and happy if left alone, is a manifestation of mass psychology that is beyond me.

Don't listen to the person who has the answers; listen to the person who has the questions.