A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability.

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.

The importance of a problem should not be judged by the number of pages devoted to it.

The State idea is not according to my heart. I cannot understand why it is needed. It is connected with narrow-minded and economic obstacles. I believe it is bad. I have always been against it.

Playfullness is the essential feature of productive thought.

Genius is making complex ideas simple, not making simple ideas complex

There could be no greater calamity than a permanent discord between us and the Arab people. Despite the great wrong that has been done us, we must strive for a just and lasting compromise with the Arab people Let us recall that in former times no people lived in greater friendship with us than the ancestors of these Arabs.