You can be entrepreneurial even if you don’t want to be in business. You can be a social entrepreneur focused on the not-for-profit sector. You can be an agriculture entrepreneur if you want to change how people think about farming. You can be a policy entrepreneur if you want to go into government. The idea of an entrepreneur is really thinking out of the box and taking risks and stepping up to major challenges.

It's stunning to me what kind of an impact even one person can have if they have the right passion, perspective and are able to align the interest of a great team.

[On swinging for the fences] Ultimately, you have the potential to build a significant business with the potential to have a positive impact on millions of people's lives.

Today, National Geographic has a membership side with a magazine and some television side, and they generate about a billion dollars in revenue, and they're profitable. And so at the end of the year they have some bottom line profit which they can then reinvest, because they're running it as a not-for-profit in charitable endeavors.

I think it took us nine years to get one million subscribers to AOL, and then in the next nine years we went from one million to 35 million.

The resources you happen to accumulate, what do you do with them? You can spend the money and buy some houses or whatever, and people do some of that and that's fine. You can give the money to other people, your family, but usually when you do that you screw them up and it ends up counterproductive. Or, you take those resources and reinvest them in things that you believe in, and that could be reinvesting in a philanthropic cause.

I enjoyed high school and college, and I think I learned a lot, but that was not really my focus. My focus was on trying to figure out what businesses to start