Mars missions will require up to three years in reduced gravity, so we need to make sure astronauts can not only survive but thrive as they move outward to explore this new world.

You see countries like India really investing in their space program because they see it as inspirational and good for their economy.

Communication is an issue where we can improve, and if I can do anything to help, I am happy to.

One of the big things about space exploration is that it is as expensive as it is complicated, and you need all the countries of the world to help if you want to accomplish big goals.

We want to make sure we get living astronauts to the surface of Mars.

This madman must be stopped.

Me and my dad are the biggest promoters of an estate tax in the US. It's not a popular position.

Having grown up in a segregated environment in the south I know what it's like to be stepped on, I know what it's like also to see some black hero do well in the face of adversity.

We are on the verge of a global transformation. All we need is the right major crisis.

Death has always had a prominent place in my mind. There are times when I think somebody might kill me.

The sun will rise tomorrow. It always does, and all the wishing in the world for the way things were, or for what they could have been, won't change that. It won't change how things are.

For after all we make our faces as we go along.

I find that most books that I don't like are those in which the authors have indulged themselves. I can almost sense when they're writing something for themselves.

There's nothing wrong with being a Conservative and coming up with a Conservative believe in foreign policy where we have a strong national defense and we don't go to war so carelessly.

The thing that I come across is that people think that I might actually be super aggressive, want-to-fight type in real life. The irony is that that's just not true, at all.