Satisfaction of one's curiosity is one of the greatest sources of happiness in life.

Do not let either the medical authorities or the politicians mislead you. Find out what the facts are, and make your own decisions about how to live a happy life and how to work for a better world.

But I know also that still more interesting discoveries will be made that I have not the imagination to describe - and I am awaiting them, full of curiosity and enthusiasm.

I have been especially fortunate for about 50 years in having two memory banks available-whenever I can't remember something I ask my wife, and thus I am able to draw on this auxiliary memory bank. Moreover, there is a second way In which I get ideas ... I listen carefully to what my wife says, and in this way I often get a good idea. I recommend to ... young people ... that you make a permanent acquisition of an auxiliary memory bank that you can become familiar with and draw upon throughout your lives.

Man's great power of thinking, remembering, and communicating are responsible for the evolution of civilization.

I believe that you can, by taking some simple and inexpensive measures, extend your life and your years of well-being. My most important recommendation is that you take vitamins every day in optimun amounts, to supplement the vitamins you receive in your food.

During the time that [Karl] Landsteiner gave me an education in the field of imununology, I discovered that he and I were thinking about the serologic problem in very different ways. He would ask, What do these experiments force us to believe about the nature of the world? I would ask, What is the most. simple and general picture of the world that we can formulate that is not ruled by these experiments? I realized that medical and biological investigators were not attacking their problems the same way that theoretical physicists do, the way I had been in the habit of doing.