The starting point for a better world is the belief that it is possible.

To be able to rise from the earth; to be able, from a station in outer space, to see the relationship of the planet earth to other planets; to be able to contemplate the billions of factors in precise and beautiful combination that make human existence possible; to be able to dwell on an encounter of the human brain and spirit with the universe

A book is like a piece of rope; it takes on meaning only in connection with the things it holds together.

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.

The life-force may be the least understood force on earth.

The only security for the American people today, or for any people, is to be found through the control of force rather than the use of force.

Of all the gifts bestowed by nature on human beings, hearty laughter must be close to the top.