When you inoculate children with a polio vaccine, you don't sleep well for two or three months.

Nothing happens quite by chance. It's a question of accretion of information and experience.

The mind, in addition to medicine, has powers to turn the immune system around.

I couldn't possibly have become a member of this Institute, you know, if I hadn't organized it myself.

It is courage based on confidence, not daring, and it is confidence based on experience.

It is possible to create an epidemic of health which is self-organizing and self-propelling.

It is said to await certainty is to await eternity.