[Smart] is an elusive concept. There's a certain sharpness, an ability to absorb new facts. To ask an insightful question. To relate to domains that may not seem connected at first. A certain creativity that allows people to be effective.

Middle-income countries are the biggest users of GMOs. Places like Brazil.

Some people read off of their Palms and Pocket PCs, but the real immersible reading experience takes a full-screen device.

By 2035, there will be almost no poor countries left in the world.

In my 20s, I worked very, very hard. I have a much more balanced life now.

I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities...on how well you treated people a world away who have nothing in common with you but your humanity.

I don't have any TVs with their over-the-air receivers connected in my house. But when I'm in a hotel room or other places that have a TV, then I turn it on and flip the channels just like everybody else. I'm not immune to the lures of television. I just try to stay away from it because I like to read.