Nature does not know extinction; all it knows is transformation. ... Everything science has taught me-and continues to teach me-strengthens my belief in the continuity of our spiritual existence after death. Nothing disappears without a trace.

If we were to start today on an organized and well-supported space program I believe a practical passenger rocket can be built and tested within ten years.

We should remember that science exists only because there are people, and its concepts exist only in the minds of men. Behind these concepts lies the reality which is being revealed to us, but only by the grace of God.

Looking back, nothing seems so simple than a utopian vision realised.

My friends they were dancing here in the streets of Huntsville when our first satellite orbited the Earth. They were dancing again when the first Americans landed on the Moon. I'd like to ask you, don't hang up your dancing slippers.

What we will have attained when Neil Armstrong steps down upon the moon is a completely new step in the evolution of man.

I find it as difficult to understand a scientist who does not acknowledge the presence of a superior rationality behind the existence of the universe as it is to comprehend a theologian who would deny the advances of science.