We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.

U.K. companies are in very international and very competitive markets. If you look at PC penetration in the U.K., it is very similar to the United States market.

Microsoft went into orbit because it had a booster rocket attached to it called IBM.

To get a big company moving fast, especially on a many-headed opportunity like the Internet, you have to have hundreds of people participating and coming up with ideas.

Don't let yourself be lulled into inaction.

If we can find approaches that meet the needs of the poor in ways that generate profits for business and votes for politicians, we will have found a sustainable way to reduce inequity in the world. This task is open-ended. It can never be finished. But a conscious effort to answer this challenge will change the world.

Leaders are those who empower others.