The message from the moon which we have flashed to the far corners of this planet is that no problem need any longer be considered insoluble.

Nothing is more powerful than an individual acting out their conscience, thus helping bring the collective conscience to life.

The tragedy of life is in what dies inside a man while he lives - the death of genuine feeling, the death of inspired response, the awareness that makes it possible to feel the pain or the glory of other men in yourself.

An adequate share of humor and laughter represents an essential part of the diet of the healthy person.

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.

Your heaviest artillery will be your will to live. Keep that big gun going.

All this sensory input, which begins in the brain, has its effect throughout the body.