[Max Planck] was one of the finest people I have ever known... but he really didn't understand physics, [because] during the eclipse of 1919 he stayed up all night to see if it would confirm the bending of light by the gravitational field. If he had really understood [general relativity], he would have gone to bed the way I did

I know that philosophically a murderer is not responsible for his crime, but I prefer not to take tea with him.

Artists and creative workers - people who have accomplished work worthwhile have had a very high sense of the way to do things. They haven't been contented with mediocrity. They haven't confined themselves to the beaten tracks; they have never been satisfied to do things just as others do them, but always a little better. Few are those who see with their own eyesand feel with their own hearts.

Arrows of hate have been aimed at me too, but they have never hit me, because somehow they belonged to another world with which I have no connection whatsoever.

It is true that my parents were worried because I began to speak fairly late, so that they even consulted a doctor. I can't say how old I was - but surely not less than three.

Outer changes always begin with an inner change of attitude.

It is only to the individual that a soul is given. And the high destiny of the individual is to serve rather than to rule, or to impose himself in any other way.