"I don't think there's any single person who could have done it."

"Mystery creates wonder and wonder is the basis of man's desire to understand."

"I was certainly aware that this was a culmination of the work of 300,000 to 400,000 people over a decade."

"Pilots take no special joy in walking: Pilots like flying. Pilots generally take pride in a good landing, not in getting out of the vehicle."

"The one thing I regret is that I will never be able to go to the moon again."