My own American Dream was to serve my country as best I could and make a difference in America - and in the world.

I think humans will reach Mars, and I would like to see it happen in my lifetime.

The biggest benefit of Apollo was the inspiration it gave to a growing generation to get into science and aerospace.

If we can conquer space, we can conquer childhood hunger.

No dream is too high for those with their eyes in the sky!

Exploration is wired into our brains. If we can see the horizon, we want to know what's beyond.

I still say, 'Shoot for the moon; you might get there.'

Knowledge of the past and an optimistic view of the present give you great opportunities.

Many say exploration is part of our destiny, but it's actually our duty to future generations and their quest to ensure the survival of the human species.

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.

There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.

If she was going to die she wanted to go out with chocolate in one hand and a shopping bag in the other.

The 1970s, fewer than 25% of US residents lived in counties in which the presidential candidate won by landslide. 30 years later, that percentage has nearly doubled.

The most optimistic part of life is its mortality… God is a real genius.

The pyramids are one of those things that live up to the hype. They're elemental in ways that are hard to describe.

I call people rich when they're able to meet the requirements of their imagination.

There is no substitute for the riches gained on a lifetime basis by the young American who studies or works abroad.

The romantics would call this a love story, the cynics would call it a tragedy.

One way in which fools succeed where wise men fail is that through ignorance of the danger they sometimes go coolly about a hazardous business.

One man’s “ugly” is another man’s “beautiful.

Led Zeppelin didn't write tunes that everybody liked, they left that to the Bee Gees.