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.

By the proper intakes of vitamins and other nutrients and by following a few other healthful practices from youth or middle age on, you can, I believe, extend your life and years of well-being by twenty-five or even thirty-five years.

No evidence compels the conclusion that the minimum required intake of any vitamin comes close to the optimum intake that sustains good health.

I like people. I like animals, too-whales and quail, dinosaurs and dodos. But I like human beings especially, and I am unhappy that the pool of human germ plasm, which determines the nature of the human race, is deteriorating.

The best way to have a good idea is to have a lot of ideas.

Men will gather knowledge no matter what the consequences. Science will go on whether we are pessimistic or optimistic, as I am. More interesting discoveries than we can imagine will be made, and I am awaiting them, full of curiosity and enthusiasm.

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.