Hearty laughter is a good way to jog internally without having to go outdoors.

All things are possible, once enough human beings realize that everything is at stake.

The possibility of war increases in direct proportion to the effectiveness of the instruments of war.

Laughter is inner jogging.

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

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.

If something comes to life in others because of you, then you have made an approach to immortality.