The more you learn, the more you have a framework that the knowledge fits into.

The next time someone tells you we can trim the budget by cutting aid, I hope you will ask whether it will come at the cost of more people dying.

I'm sorry that we have to have a Washington presence. We thrived during our first 16 years without any of this. I never made a political visit to Washington and we had no people here. It wasn't on our radar screen. We were just making great software.

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

Making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams ... wouldn't just make us a more successful country - it would also make us a more fair and just one.

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

According to Ethiopian custom, parents wait to name a baby because children often die in the first weeks of life.