“Medical research in the twentieth century mostly takes place in the lab; in the Renaissance, though, researchers went first and foremost to the library to see what the ancients had said.”

“I guess I worry about weird existential things, like how do we spend our final act. This is a very emotional question. I can't answer it without crying. I think, You're 56 years old, what did you do? You raised two good kids. What am I going to do now that is as meaningful as that? I don't know the ”