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.

The essence of man is imperfection. Failure is simply a price we pay to achieve success. If we learn to embrace that new definition of failure, then we are free to start moving ahead - and failing forward.

More and more, the choice for the world's people is between becoming world warriors or world citizens.

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

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

The conquest of war and the pursuit of social justice... must become our grand preoccupation and magnificent obsession.

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