“One reason I do the live shows - and the monthly speeches at public radio stations - is to remind myself that people hear the show, that it has an audience, that it exists in the world. It's so easy to forget that.”
“We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.”