50 years from now we won't need as much human labour to do what manual workers do, so we should be able to take that extra productivity and put it to better use.

Really advanced civilization is based on advances in energy.

If you say to people that there's less violence today than in the past, they would be stunned to hear that. But it's the truth, even though we have awful things happening in Syria or Sudan.

I watched the piles of feces go up the conveyor belt... They made their way through the machine... A few minutes later I took a long taste of the end result: a glass of delicious drinking water.

In terms of fast food and deep understanding of the culture of fast food, I'm your man.

I hope someday what people can do with their lives depends on their talents and how hard they are willing to work, rather than on where they happen to be born.

You have to have a certain realism that government is a pretty blunt instrument and without the constant attention of highly qualified people with the right metrics, it will fall into not doing things very well.