The returns from investing in poor people are just as great as the returns from investing in the business world... and have even more meaning

The bulk of the universities are about teaching kids.

Make sure people get educated, help out with health emergencies. Those things, the government should do. That's 96 per cent of the economy, those two sectors.

Talking to mothers, always brings it home because they're so anxious to do everything they can for their kids and so tragic for them.

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

Billionaires should never be responsible for solving problems, because they're not the government.

Every new change forces all the companies in an industry to adapt their strategies to that change.