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

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

If we continue at this leisurly pace, we will have to pass Russian customs when we land on the moon.

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.

For my confirmation, I didn't get a watch and my first pair of long pants, like most Lutheran boys. I got a telescope. My mother thought it would make the best gift.

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?

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.