Polio's pretty special because once you get an eradication, you no longer have to spend money on it; it's just there as a gift for the rest of time.
Bill GatesI would counsel people to go to college, because it's one of the best times in your life in terms of who you meet and develop a broad set of intellectual skills.
Bill GatesThe US in some ways has been the best. Who figured out shale gas? Although that wasn't a good thing [for CO2 levels], it was very innovative. It's led to low-cost energy. Who figured out nuclear power? Largely the United States. Once you get past the steam engine, which is mostly British, then the US has been at the center of most of the energy things that have happened.
Bill Gates