"The problems of the world cannot possibly be solved by skeptics or cynics whose horizons are limited by the obvious realities. We need men who can dream of things that never were."

"Change is the law of life. And those who look only to the past or the present are certain to miss the future."

"Mankind must achieve a world without war."

"I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning him safely to the Earth. No single space project in this pe…"

"Life is unfair."