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

Microsoft has had many, many successful products. I'm committed to one company. This is the industry I've decided to work in.

If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1,000 MPG.

Some people, through luck and skill, end up with a lot of assets. If you're good at kicking a ball, writing software, investing in stocks, it pays extremely well.

Bridge is the king of all card games.

Living on $6 a day means you have a refrigerator, a TV, a cell phone, your children can go to school. That's not possible on $1 a day.

The most amazing philanthropists are people who are actually making a significant sacrifice.