I'm not a political person. I'm a techie nerd, and I enjoy the techie part. I mean, all my life, I've loved great technology.

Big data will replace the need for 80% of all doctors

Religion asks you to believe things without questioning, and technology and science always encourage you to ask hard questions and why it is important in science and technology. So I was always interested in science and technology.

There's no doubt in my mind over the next 25 years how we drive, how we build our houses, how we fly, how we build our buildings, will all change.

Now it will take a long time to scale biofuels, but I'm the only one in the world forecasting oil dropping in price to $35 a barrel by 2030. I'll put it on the record: Oil will not be able to compete with cellulosic biofuels. If you do it from food, the food will get so expensive you can't make fuel out of it.

Not thinking it's possible is a failure of imagination.

I'm not a political person. I'm a techie nerd, and I enjoy the techie part. I mean, all my life, I've loved great technology.