Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.

At present every coachman and every waiter argues about whether or not the relativity theory is correct.

It is not so important where one settles down. The best thing is to follow your instincts without too much reflection.

Once we accept our limits, we go beyond them.

I like to experience the universe as one harmonious whole. Every cell has life. Matter, too, has life; it is energy solidified. Our bodies are like prisons, and I look forward to be free, but I don't speculate on what will happen to me. I live here now, and my responsibility is in this world now.

The physicists say that I am a mathematician, and the mathematicians say that I am a physicist. I am a completely isolated man and though everybody knows me, there are very few people who really know me.

The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.