America is today the hope of all honorable men who respect the rights of their fellow men and who believe in the principle of freedom and justice.

Between the difficulties, one hides the opportunity

Gravity is a response to geometry.

My relationship to the Jewish people has become my strongest human bond, ever since I became fully aware of our precarious situation among the nations of the world.

The true measure of a man is the degree to which he has managed to subjugate his ego.

For me a simple message, to think and act with courage, independence and imagination.

There comes a point in your life when you need to stop reading other people's books and write your own.