There are as many atoms in each molecule of your DNA as there are stars in the typical galaxy. This is true for dogs, and bears, and every living thing. We are, each of us, a little universe.

The problem, often not discovered until late in life, is that when you look for things like love, meaning, motivation, it implies they are sitting behind a tree or under a rock. The most successful people recognize, that in life they create their own love, they manufacture their own meaning, they generate their own motivation. For me, I am driven by two main philosophies, know more today about the world than I knew yesterday. And along the way, lessen the suffering of others. You'd be surprised how far that gets you.

If it's a new planet, sign me up. I'm tired of driving around the block, boldly going where hundreds have gone before in orbit around earth-give me a place to go and I'll go.

With no gravitational force to work against, your body not only doesn't need the same amount of muscle and bone, it starts breaking them down. As on Earth, so in space: use it or lose it. And exercise may not solve the problem.

America has an economy reversing relative to other nations in the world. And I want to turn that around. And one way I know to turn it around is to get everyone excited about what it is to innovate again.

Publicly and among themselves biologists rightly celebrate the diversity of life on Earth... At the end of the day, however, their confession is heard by no one: they work with a single scientific sample-life on Earth.

You know that passage in the Bible that says, “And the meek shall inherit the Earth”? Always wondered if that was mistranslated. Perhaps it actually says, “And the geek shall inherit the Earth.