Go and try to start your own government in the United States today and you'll be squashed very quickly.

We are not going to stop here on planet Earth. We're going to move out to other planetary bodies.

Every generation feels it has the problems that will destroy it. That's because we can perceive them a long time before we have the ability to fix them.

If you give people unlimited time and money, they'll do things the same old way. But if they have to achieve the goal in a brief time, they'll either give up or try something new.

An expert is someone who can tell you exactly how it can't be done.

When faced without a challenge, make one

The price to generate a megawatt or a gigawatt of energy is coming down year after year. We're learning how to print it, make it more efficient.