Going to Mars would evolve humankind into a two-planet species.
I remember it was hard to believe that I was taking a step onto the lunar surface.
During the divorce process, I lived alone and tended to get extremely down on myself.
A mind concerned about danger is a clouded mind. It's paralyzing.
You are not going to change the minds of people who are looking for attention.
Russia perhaps is still entertaining the possibility that the moons of Mars might have access to ice or water.
Most people never believed in the real possibility of going to the moon, and neither did I until I was in my twenties
Climate has been changing for billions of years.
America must dream again, and have the faith to achieve the dream.
Space tourism is a logical outgrowth of the adventure tourist market.
You can never tell when a commercial space venture will suddenly become viable.
We could have human intelligence in orbit around Mars, building things there.
Unfortunately, kids are led to believe things are easier to achieve than they really are.
People communicate in Twittering ways. I've learned how to do that.
It's time to open the space frontier to citizen explorers.
Not everyone will understand this need for America to lead the world in space.
Like actors and writers who are on and off again in terms of employment, I had a very unstructured life.
“Mars is there, waiting to be reached.”
“Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.”
Mars is far more attractive as an outpost colony for earthlings than the moon is.
We can't start over and develop a Saturn 5-type vehicle from scratch.
You can tell I'm not too bashful about some of my feelings.
Bravery comes along as a gradual accumulation of discipline.
No dream is too high for those with their eyes in the sky.