Nixon's motto was, if two wrongs don't make a right, try three.

Do you prefer that you be right or happy?

I have learned never to underestimate the capacity of the human mind and body to regenerate - even when prospects seem most wretched. The life force may be the least understood force on earth.

It is well known that panic, despair, depression, hate, rage, exasperation, frustration all produce negative biochemical changes in the body.

Hope, purpose and determination are not merely mental states. They have electrochemical connections that affect the immune system.

Hope is independent of the apparatus of logic.

Humanity today is not safe in the presence of humanity. The old cannibalism has given way to anonymous action in which the killer and the killed do not know each other, and in which,indeed, the very fact of mass death has the effect of making mass killing less reprehensible than the death of a single individual. In short, we have evolved in every respect except our ability to protect ourselves against human intelligence. Our knowledge is vast but does not embrace the workings of peace.