People are going to buy cheap fertilizer so they can grow enough crops to feed themselves, which will be increasingly difficult with climate change.

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.

My wife thinks she's better than me at puzzles. I haven't given in on that one yet.

Robots will play an important role in providing physical assistance and even companionship for the elderly.

I'm serious when I do my work. I'm not serious when I'm home with my kids.

Microsoft is involved in setting some fairly key standards and people are afraid of it because they think, Geez, they are quite capable. It's daunting, I suppose.

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.