It's really incumbent upon us as life's agents to extend life to another planet. I think that being a multi-planet species will significantly increase the richness and scope of the human experience.

Failure is an option here. If things are not failing, you are not innovating enough.

When something is important enough, you do it even if the odds are not in your favor.

People should pursue what they're passionate about. That will make them happier than pretty much anything else.

I think it is possible for ordinary people to choose to be extraordinary.

I'm extremely confident that solar will be at least a plurality of power, and most likely a majority... in less than 20 years.

Constantly seek criticism. A well thought out critique of what you're doing is as valuable as gold

Optimism, pessimism, f**k that; we're going to make it happen. As God is my bloody witness, I'm hell-bent on making it work.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

Mars is the only place in the solar system where it's possible for life to become multi-planetarian.

My mentality is that of a samurai. I would rather commit seppuku than fail.

I've never been disappointed, because I've never given somebody I liked that much power.

Plants are the original chemists. Their sophistication makes DuPont and Monsanto look like little kids with chemistry sets.

I'm my own worst critic, and if I don't pull off what I think I wanted to do in my head, then I won't be a happy girl.

Change can be good. It just depends on what we make of it.

I am a rare species, not a stereotype.

Socrates, when informed of some derogating speeches one had used concerning him behind his back, made only this facetious reply, "Let him beat me too when I am absent.

I don't need arms, and neither does anyone else... At the very least, a ban would prevent fights from turning deadly.

It was an experience being on a Beatles tour. They weren't very good. The singing was great, but the playing was a bit weak.

Learning lines is my biggest challenge.

Your wisdom is consum'd in confidence. Do not go forth to-day.