Violent men have not been known in history to die to a man. They die up to a point.

I believe that imagination is stronger than knowledge. That myth is more potent than history. That dreams are more powerful than facts. That hope always triumphs over experience. That laughter is the only cure for grief. And I believe that love is stronger than death.

History teaches that war begins when governments believe the price of aggression is cheap.

We have the power to make this the best generation of mankind in the history of the world or to make it the last.

You may not always have a comfortable life and you will not always be able to solve all of the world's problems at once but don't ever underestimate the importance you can have because history has shown us that courage can be contagious and hope can take on a life of its own.