My opinion is it's a bridge too far to go to fully autonomous cars.

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.

Knowledge without understanding is a great loss because it is akin to having given a device without the manual on how to operate or use it.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

...it's a good idea to remember that whenever there is a buy and a seller, somebody is wrong. Make sure it's not you

There are two types of hurdles. Difficulty and Challenge. What we face, depends on whether or not we love what we do

There are some mistakes only someone with a Ph.D. can make.

It's never black and white on 'Game of Thrones.' If you think it's black and white, you're watching it wrong.

I would have sold my wife and children into slavery for a ride into space.

People believe in you more after you've won an Oscar, but it's up to you what choices you make.

No, I am not afraid; the Lord said he would protect me, and I have full confidence in His word.

There is heat in freezing...be a testament!