Humans are the worst control system to put in front of a car.

We are racing toward a world of abundance, and we are going to be increasing the quality of life for everyone on this planet. The world's biggest problems are the world's biggest business opportunities.

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.

You've got to choose your horse ahead of time. So, if you're interested in water technology, energy technology, you get to choose between the three or four companies that you have insight into. And you have to make a bet on them before they prove anything out.

I ended up realizing that NASA was unlikely to get me into space, or get me to the moon or beyond, and I needed some other way to drive this.

Find that thing that you are passionate about, that you will do day or night whether someone pays you or not...because if you have that, you will have gold.

One of my goals is to reinvent philanthropy.