The most interesting biofuel efforts avoid using land that's expensive and has high opportunity costs. They do this by getting onto other types of land, or taking advantage of byproducts that aren't used in the food chain today, or by intercropping.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

We are not even close to finishing the basic dream of what the PC can be.

Playing Bridge is a pretty old fashioned thing in a way that I really like. I was watching my daughter ride horses this weekend and that is also a bit old fashioned but fun. I do the dishes every night - other people volunteer but I like the way I do it.

The most important thing was the creation of a... a standard, where hundreds of companies build hardware that can all run the same software.

You always overestimate what you can get done in a year and underestimate what you can get done in 10 years.

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.