If you had to buy a new plane every time you flew somewhere, it would be incredibly expensive.

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.

If you think everybody hates you, then your ignorance is beyond the limit, because there's a loving heart somewhere longing to see your face.

She wants to be flowers, but you make her owls. You must not complain, then, if she goes hunting.

I've got volumes on how not to behave. I've got more information now than a guy should have at my age.

It's the bullies who are afraid, are the ones that do all the fighting. It's not the secure kids that get out there and fight. It's the insecure kids.

I lose faith and I lose ground, but then I see you and remember unconditional love.

Not one woman over seventeen has any faith in her skin tone, and no woman over thirty can ever regard her upper arms with equanimity.

Growth is limited by that necessity which is present in the least amount.

To think is not enough, you must think of something.

I have a bad habit of playing little emotional games with men. When they date me it's cool in the beginning, we do our thing in the first month, and then I send them on a rollercoaster ride to hell.