For a while in my teens, I was sure I had it. It was about getting to heaven. If heaven existed and lasted forever, then a mere lifetime spent scrupulously following orders was a small investment for an infinite payoff. One day, though, I realized I was no longer a believer, and realizing that, I couldn't go back.

It's too bad I'm not as wonderful a person as people say I am, because the world could use a few people like that.

What then are doing if not creating a better place together? I think, for me the key has to be, what do I want to create? What is it I want to leave behind?

It's always better to be wise than to be smart.

My mother didn't try to stab my father until I was six, but she must have shown signs of oddness before that.

In 2003, I almost died of an intestinal blockage when I was on a mountain in Chile, filming a segment for 'Scientific American Frontiers.'

Republicans are as capable of coming up with great ideas and moving this country along as anyone - they just don't do it.