Human beings, in their thinking, feeling and acting are not free agents but are as causally bound as the stars in their motion.

In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.

I would teach peace rather than war, love rather than hate.

Try not to become a man of success, but a man of value. Look around at how people want to get more out of life than they put in. A man of value will give more than he receives. Be creative, but make sure that what you create is not a curse for mankind.

I believe my theory of relativity to be true. But it will only be proved for certain in 1981, when I am dead.

The world is not full of evil because of those who do wrong. It is full of evil because of those who do nothing.

The pursuit of knowledge is more valuable than its possession.