We believe the world changes when the boldest thinking is directed at the toughest problems

The billion people who wake up every day trying to figure out if they have enough food to eat won't be at Davos.

I believe that the world will be a safer place if there is enough food to go around, that it will be a more stable place if children grow up with opportunities instead of frustrations. Furthermore, I can only assume that if the United States plays a role in helping to create prosperous societies, we will have friends to call on in times of need.

At the end of the day, natural-gas peakers sit back there and get financed so that the Midwest corridor can have a huge [period] of four to five days of no wind. The peakers are running big time to make that up, because that is the swing piece that can always be turned on.

Countries which receive aid do graduate. Within a generation, Korea went from being a big recipient to being a big aid donor. China used to get quite a bit of aid; now it's aid-neutral.

Life is a lot more fun if you treat its challenges in creative ways.

Innovation is often the hidden thing, because we can't put numbers to it. And yet it's the thing that defines the way we live, the things we'd like to have for everyone whether it's health or education.