Get me a broom. I'll sweep my own office.

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.

It will free man from the remaining chains, the chains of gravity which still tie him to this planet.

Conquering the universe one has to solve two problems: gravity and red tape. We could have mastered gravity.

My experiences with science led me to God. They challenge science to prove the existence of God. But must we really light a candle to see the sun?

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.

By the year 2000 we will undoubtedly have a sizable operation on the Moon, we will have achieved a manned Mars landing and it's entirely possible we will have flown with men to the outer planets.