Gravitation cannot be held responsible for people falling in love. How on earth can you explain in terms of chemistry and physics so important a biological phenomenon as first love? Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.

When you sit with a nice girl for two hours, it seems like two minutes; when you sit on a hot stove for two minutes, it seems like two hours. That's relativity.

We are part of the whole which we call the universe, but it is an optical delusion of our mind that we think we are separate. This separateness is like a prison for us. Our job is to widen the circle of our compassion so we feel connected with all people and situations.

The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

Do not grow old, no matter how long you live.

I don't know what weapons will be used in the Third World War. But I can tell you what they'll use in the Fourth - rocks!

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.