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

I believe that the message of Apollo XI was that in the spirit of Apollo, a free and open spirit, you can attack a very difficult goal and achieve it, if you can all agree and work together to achieve that goal.

I have been in relatively high-risk businesses all of my adult life. Few of the others, however, had the possibility of direct gains in knowledge which this one had. I have confidence in the equipment, the planning, the training. I suspect that on a risk-gain ratio, this project would compare very, very favorably with those to which I've been accustomed on the past 20 years.

It's a great thing for a man to walk on the moon. But it's a greater thing for God to walk on the earth.

Science has not yet mastered prophecy. We predict too much for the next year and yet far too little for the next 10.

Gliders, sail planes, they're wonderful flying machines. It's the closest you can come to being a bird.

I tell you, we're going to be busy for a minute.