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.

The first men who set out for Mars had better make sure they leave everything at home in apple-pie order. They won't get back to earth for more than two and a half years. The difficulties of a trip to mars are formidable. . . . What curious information will these first explorers carry back from Mars? Nobody knows-and its extremely doubtful that anyone now living will ever know. All that can be said with certainty today is this: the trip will be made, and will be made . . . someday.

The same forces of nature which enable us to fly to the stars, enable us also to destroy our star.

It takes sixty-five thousand errors before you are qualified to make a rocket.

To simply dismiss the concept of God as being unscientific is to violate the very objectivity of science itself.

Everybody knows what the moon is, everybody knows what this decade is, and everybody can tell a live astronaut who returned from the moon from one who didn't

The rocket worked perfectly, except for landing on the wrong planet.