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

If the United Nations is to survive, those who represent it must bolster it; those who advocate it must submit to it; and those who believe in it must fight for it.

We will not have peace by afterthought.

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

History is an accumulation of error.

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

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.