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

"Geologists have a saying - rocks remember."

"I believe that every human has a finite number of heartbeats. I don't intend to waste any of mine running around doing exercises."

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

"I was elated, ecstatic, and extremely surprised that we were successful."

"The single observation I would offer for your consideration is that some things are beyond your control. You can lose your health to illness or accident. You can lose your wealth to all manner of unpr…"