I think every person should be able to enjoy life. Try to decide what you most enjoy doing, and then look around to see if there is a job for which you could prepare yourself that would enable you to continue having this sort of joy.

Nations keep agreements, keep their treaties so long as they continue to do them good.

I believe that there is a greater power in the world than the evil power of military force, of nuclear bombs -- there is the power of good, of morality, of humanitarianism.

We may say that life has borrowed from inanimate processes the same basic mechanism used in producing those striking structures that are crystals, with their beautiful plane faces.

Just one living cell in the human body is, more complex than New York City.

You can trace every sickness, every disease and every ailment to a mineral deficiency.

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