If you say to people that there's less violence today than in the past, they would be stunned to hear that. But it's the truth, even though we have awful things happening in Syria or Sudan.

My son likes to go see mines and electric plants, or the Large Hadron Collider, and we've had a chance to see a lot of interesting stuff.

Fortunately for India, it has got a growing economy. If it is doing the right things with taxation and focusing on the right areas for human development, it is going to have no problem, over a period of time, taking care of its own needs.

I have been struck again and again by how important measurement is to improving the human condition.

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.

In programming when you're making a change you have to know all the affected places, and you have to be able to model in your head what the performance impact will be.

The intersection of law, politics, and technology is going to force a lot of good thinking.