In energy, you have to plan and do research way in advance, sometimes decades in advance to get a new system that's safer, doesn't require us to go around the world to get all our oil.

There won't be anything we won't say to people to try and convince them that our way is the way to go.

I feel pretty stupid that I don't know any foreign languages. I wish I knew French or Arabic or Chinese.

Giving money effectively is almost as hard as earning it in the first place.

I never took a day off in my twenties. Not one. And I'm still fanatical, but now I'm a little less fanatical.

We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.

Vaccines are a miracle; they're fantastic. Anything that makes people hesitate to give their children these vaccines according to the recommended schedule creates risk. Risk for the children who don't get vaccinated and risk for children, some of whom don't have an immune system, so they're benefiting from the fact that the community protection means the disease doesn't get to them.