"I think we're going to the moon because it's in the nature of the human being to face challenges. It's by the nature of his deep inner soul... we're required to do these things just as salmon swim ups…"

"I think we're going to have to find some way to live with the fact that we are not alone."

"I put my thumb up to the window and covered the whole Earth. It was very profound."

"The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet, and our destiny is out in the stars."

"The primary goal of the space program was to get to the Moon before the Soviets."