Being maniacal about something is very helpful.

In American math classes, we teach a lot of concepts poorly over many years. In the Asian systems they teach you very few concepts very well over a few years.

Ninety percent of the cases of polio are in security-vulnerable areas.

Computers are great because when you're working with them you get immediate results that let you know if your program works. It's feedback you don't get from many other things.

I know there's a farmer out there somewhere who never wants a PC and that's fine with me.

WWW? Nice toy, but what a waste of time.

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.