From the distance of the moon, Earth was four times the size of a full moon seen from Earth. It was a brilliant jewel in the black velvet sky.

For the future, primarily, we must educate people in science, engineering, technology and math.

Once you've been first, it cannot be done again. Not by you, not by anyone else.

I don't believe any pair of people had been more removed physically from the rest of the world than we were.

It's real easy to manufacture what you think the people want to hear. But that's not very honest.

We feel that this stands as a symbol of the insatiable curiosity of all mankind to explore the unknown.

Exploring and colonizing Mars can bring us new scientific understanding of climate change, of how planet-wide processes can make a warm and wet world into a barren landscape. By exploring and understanding Mars, we may gain key insights into the past and future of our own world.