Auschwitz exists because of politicized science.

And entertainment has nothing to do with reality. Entertainment is antithetical to reality.

The greatest challenge facing mankind is the challenge of distinguishing reality from fantasy, truth from propaganda.

All your life, other people will try to take your accomplishments away from you. Don't you take it away from yourself.

In our modern complex world, fundamentalism is dangerous because of its rigidity and its imperviousness to other ideas.

Story of our species...everyone knows it's coming, but not so soon.

The experience of climbing Kilimanjaro affected me so powerfully that, for a long time afterward, if I caught myself saying, "I'm not a person who likes to do that activity, eat that food, listen to that music," I would automatically go out and do what I imagined I didn't like. Generally I found I was wrong about myself - I liked what I thought I wouldn't like. And even if I didn't like the particular experience, I learned I liked having new experiences.