If you are low income in the United States, you have a higher chance of going to jail than getting a 4-year degree.

By 2035, there will be almost no poor countries left in the world.

I am surprised that in various countries, whether it's the U.K. or the U.S., you see isolationist tendencies that would tend to work against the co-operation, whether it's climate change, immigration, innovation, helping the very poorest. Those are things where you want to think across country boundaries and see a win-win-type solution.

What's amazing is, if young people understood how doing well in school makes the rest of their life so much interesting, they would be more motivated. It's so far away in time that they can't appreciate what it means for their whole life.

The vision is that people should have the ultimate in convenience. Being able to get the things they care about on the appropriate device.

I like the idea of putting your Christmas wish list up and letting people share it.

Until recently, over 98 percent of teachers just got one word of feedback: Satisfactory. If all my bridge coach ever told me was that I was 'satisfactory,' I would have no hope of ever getting better.