I fully expected that, by the end of the century, we would have achieved substantially more than we actually did.

We had hundreds of thousands of people all dedicated to doing the perfect job, and I think they did about as well as anyone could ever have expected.

In much of society, research means to investigate something you do not know or understand.

There are people I'll always love to listen to, and I'm always ending up discovering new songs by them, which is crazy. Like Stevie Wonder.

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.

I put up my thumb and it blotted out the planet Earth.

This is one small step for a man, one giant leap for mankind.