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

I'm one of the more positive cats, but when people go off about everybody wanting to be a DJ, I don't doubt them either. I understand their point as well.

A picture does a great job, but it's not nearly like being there.

I can honestly say - and it's a big surprise to me - that I have never had a dream about being on the moon.

We have no proof, But if we extrapolate, based on the best information we have available to us, we have to come to the conclusion that ... other life probably exists out there and perhaps in many places.

Ever since I was a little boy, I dreamed I would do something important in aviation.

You've got to expect things are going to go wrong. And we always need to prepare ourselves for handling the unexpected.