People are never more insecure than when they become obsessed with their fears at the expense of their dreams.

Death is not the greatest tragedy in life. The greatest tragedy is what dies inside us while we live. We need not fear death. We need fear only that we may exist without having sensed something of the possibilities that lie within human existence.

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.

He who keeps his cool best wins.

What a man really says when he says that someone else can be persuaded by force, is that he himself is incapable of more rational means of communication.

The more serious the illness, the more important it is for you to fight back, mobilizing all your resources-spiritual, emotional, intellectual, physical.

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