And I think both the left and the right should celebrate people who have different opinions, and disagree with them, and argue with them, and differ with them, but don't just try to shut them up.

If a movie is really working, you forget for two hours your Social Security number and where your car is parked. You are having a vicarious experience. You are identifying, in one way or another, with the people on the screen.

Because we can engineer genetics, because we can telecast real lives-of course we must, right? But are these good things to do? The irony is, the people who will finally answer that question will be the very ones produced by the process.

I was perfectly content before I was born, and I think of death as the same state. What I am grateful for is the gift of intelligence, and for life, love, wonder, and laughter. You can't say it wasn't interesting. My lifetime's memories are what I have brought home from the trip.

I do not fear death. I know it is coming, and I do not fear it, because I believe there is nothing on the other side of death to fear.

Socrates told us, "the unexamined life is not worth living." I think he's calling for curiosity, more than knowledge. In every human society at all times and at all levels, the curious are at the leading edge.

Low self esteem involves imagining the worst that other people can think about you.