Don't let complexity stop you. Be activists. Take on the big inequities. It will be one of the great experiences of your lives.

In K-12, almost everybody goes to local schools. Universities are a bit different because kids actually do pick the university. The bizarre thing, though, is that the merit of university is actually how good the students going in are: the SAT scores of the kids going in.

The most meaningful way to differentiate your company from your competition, is to do an outstanding job with information.

It's pretty amazing to go from a world where computers were unheard of and very complex to where they're a tool of everyday life.

If you give people tools, and they use their natural abilities and their curiosity, they will develop things in ways that will surprise you very much beyond what you might have expected.

The outpouring of support from millions of people in the immediate aftermath of the earthquake in Haiti has been impressive.

That it's a worldwide thing that families are better off.