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

"It's a beginning. We have a lot more to do."

"I was always a little uncomfortable with the 'first' part, because I was simply the one who was chosen to take that step."

"I don't think that science or technology is going to solve all of our problems, but I think they're going to solve most of them."

"The world needs dreamers and the world needs doers. But above all, the world needs dreamers who do."