How much further beyond basic research the role of the government should be, you could have a really good debate about it. Almost nobody would say it's zero. But that's where at least we need the private sector to play a big role.

The vision is that people should have the ultimate in convenience. Being able to get the things they care about on the appropriate device.

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

The only big companies that succeed will be those that obsolete their own products before somebody else does.

President [George] Bush made the U.S. absolutely the leader, between its own PEPFAR, and it's been by far the biggest Global Fund donor. That's a legacy.

Now we've got that [children's death rate] down to about 5 percent, so we've more than cut it in half, and that's because we're getting vaccines out, economic improvement also helps there, but the vaccines are why we've seen an acceleration in getting that down.

Hey, size works against excellence.