A clever person solves a problem. A wise person avoids it.

Order is needed by the ignorant but it takes a genius to master chaos.

I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern with no superhuman authority behind it.

In my experience, the best creative work is never done when one is unhappy.

I do not teach anyone I only provide the environment in which they can learn.

Look into nature, and then you will understand it better.

I do not believe that a man should be restrained in his daily actions by being afraid of punishment after death or that he should do things only because in this way he will be rewarded after he dies.

The Revolution introduced me to art, and in turn, art introduced me to the Revolution!

The search for truth is more precious than its possession.

Science without religion is lame, religion without science is blind.