The hidden hand of the market will never work without a hidden fist.

I firmly believe that the next great breakthrough in bioscience could come from a 15-year-old who downloads the human genome in Egypt.

Two things are going on at the same time with the flattening of the world: The relentless quest for efficiency is squeezing some of the fat out of life.

America was the funder of petro-dictatorships. We treated all these countries as basically big, large gas stations: Libya station, Iraq station, Iran station, Egypt station, Syria station, and all we asked of them were three things: Keep your palms open, your prices low and don't bother Israel too much, and you can do whatever you want to your own people.

I think there are different kinds of elites. I think there are venal elites, and self-interested elites, and selfish elites, and I think there are visionary elites.

It created a global platform that allowed more people to plug and play, collaborate and compete, share knowledge and share work, than anything we have ever seen in the history of the world.

Until we fully understand what turned two brothers who allegedly perpetrated the Boston Marathon bombings into murderers, it is hard to make any policy recommendation other than this: We need to redouble our efforts to make America stronger and healthier so it remains a vibrant counterexample to whatever bigoted ideology may have gripped these young men....And the best place to start is with a carbon tax.