I think it matters whether someone has a good heart.

The United States is definitely ahead in culture of innovation. If someone wants to accomplish great things, there is no better place than the U.S.

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

I was born in Africa. I came to California because it's really where new technologies can be brought to fruition, and I don't see a viable competitor.

I tend to approach things from a physics framework. And physics teaches you to reason from first principles rather than by analogy.

You need to be in the position where it is the cost of the fuel that actually matters and not the cost of building the rocket in the first place.

I think there are more politicians in favor of electric cars than against. There are still some that are against, and I think the reasoning for that varies depending on the person, but in some cases, they just don't believe in climate change - they think oil will last forever.