I meet people overseas that know five languages - that the only language I'm comfortable in is English.

In poor countries, we still need better ways to measure the effectiveness of the many government workers providing health services. They are the crucial link bringing tools such as vaccines and education to the people who need them most. How well trained are they? Are they showing up to work?

The Wright Brothers created the single greatest cultural force since the invention of writing. The airplane became the first World Wide Web, bringing people, languages, ideas, and values together.

Why do people benefit in inverse proportion to their need? Well, market incentives make that happen.

We are seeing smarter philanthropy, more philanthropy, and that's true world wide. So it's kind of a movement that has a lot of accomplishments, even though as a percentage of the economy, it's still only a few per cent.

When you program, you want to think you're writing the best possible program for the... for the task you're trying to solve.

Unemployment rates among Americans who never went to college are about double that of those who have a postsecondary education.