Africa is on the rise.

This social-networking thing takes you to crazy places.

If we [the USA] don't innovate in education, it's literally going to mean less people get to go have that education at a time when more people are going to want it. We've got to put courses out on the Web, we've got to put interactive learning out on the Web.

If I'd had some set idea of a finish line, don't you think I would have crossed it years ago?

Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied to reduce inequity. Whether through democracy, strong public education, quality health care, or broad economic opportunity – reducing inequity is the highest human achievement.

Corruption is one of the most common reasons I hear in views that criticize aid.

Music, even with these dial-up connections you have to the Internet, is very practical to download.