Astronauts: space activists.

Give us, O God, the vision which can see Your love in the world in spite of human failure. Give us the faith to trust Your goodness in spite of our ignorance and weakness. Give us the knowledge that we may continue to pray with understanding hearts. And show us what each one of us can do to set forward the coming of the day of universal peace.

Exploration is really the essence of the human spirit.

And from the crew of Apollo 8, we close with good night, good luck, a Merry Christmas, and God bless all of you - all of you on the good Earth.

A superior pilot uses his superior judgment to avoid situations which require the use of his superior skill.

The view of the Earth from the Moon fascinated me -- a small disk, 240,000 miles away. . . . Raging nationalistic interests, famines, wars, pestilence, don't show from that distance.

When you're finally up on the moon, looking back at the earth, all these differences and nationalistic traits are pretty well going to blend and you're going to get a concept that maybe this is really one world and why the hell can't we learn to live together like decent people?