This [philanthropy] work is even more fascinating. It requires us to think harder about how we build partnerships, who we get behind. And yet we get to see progress that in some ways is even more profound than the great advances that digital technology has provided.

Research shows that there is only half as much variation in student achievement between schools as there is among classrooms in the same school. If you want your child to get the best education possible, it is actually more important to get him assigned to a great teacher than to a great school.

The ability of a successful company to add functionality to its product has long been upheld.

Robotics and other combinations will make the world pretty fantastic compared with today.

The Internet will help achieve "friction free capitalism" by putting buyer and seller in direct contact and providing more information to both about each other.

There's life and death in every email.

Software was changing so fast, so unbelievable, that that got very quick adoption.