With our present knowledge, we can respond to the challenge of stellar space flight solely with intellectual concepts and purely hypothetical analysis. Hardware solutions are still entirely beyond our reach and far, far away.

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

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?

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

There is beauty in space, and it is orderly. There is no weather, and there is regularity. It is predictable. Just look at our little Explorer; you can set your clock by it-literally; it is more accurate than your clock. Everything in space obeys the laws of physics. If you know these laws, and obey them, space will treat you kindly.

Man is not made for space. But with the help of biologists and medical doctors, he can be prepared and accommodated.

Although I know of no reference to Christ ever commenting on scientific work, I do know that He said, "Ye shall know the truth, and the truth shall make you free." Thus I am certain that, were He among us today, Christ would encourage scientific research as modern man's most noble striving to comprehend and admire His Father's handiwork. The universe as revealed through scientific inquiry is the living witness that God has indeed been at work.