Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Politics is a pendulum whose swings between anarchy and tyranny are fueled by perennially rejuvenated illusions.

Philosophers play with the word, like a child with a doll.... It does not mean that everything in life is relative.

It is impossible to solve significant problems using the same knowledge that created them.

The important things are always simple.

As long as I have any choice in the matter, I shall live only in a country where civil liberty, tolerance and equality of all citizens before the law prevail.