The first footfalls on Mars will mark a historic milestone, an enterprise that requires human tenacity matched with technology to anchor ourselves on another 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.

Change happens, when we replace fear with hope.

I start to think there really is no cure for depression, that happiness is an ongoing battle, and I wonder if it isn't one I'll have to fight for as long as I live. I wonder if it's worth it.

If a novel was a map of a country, a story was the bright silver pin that marked the crossroads.

Knowledge is power is time is money. Meaning that if I shared knowledge, it would tantamount to sharing power or money.

Think of strangers as friends you not met yet.

It is a man's sympathy with all creatures that first makes him truly a man.

Cities produce in me melancholy or a tension I don't need.

I know you did, lass. You're the toughest girl I know." "'Lass'? Where did that come from?" "I don't know. I just felt the urge to call you that.

Leaders are not pale reflectors of major social conflicts; they play up some, play down others, ignore still others.

Out of near disaster, came real progress.