This fascination with computer models is something I understand very well. Richard Feynmann called it a disease. I fear he is right.

Human intelligence was more trouble than it was worth. It was more destructive than creative, more confusing than revealing, more discouraging than satisfying, more spiteful than charitable.

A hundred years from now, people will look back on us and laugh. They'll say, 'You know what people used to believe? They believed in photons and electrons. Can you imagine anything so silly?' They'll have a good laugh, because by then there will be newer better fantasies... And meanwhile, you feel the way the boat moves? That's the sea. That's real. You smell the salt in the air? You feel the sunlight on your skin? That's all real. Life is wonderful. It's a gift to be alive, to see the sun and breathe the air. And there isn't really anything else.

I think every writer should have tattooed backwards on his forehead, like ambulance on ambulances, the words 'everybody needs an editor.

When you have a strongly held belief, don't you think it's important to express that belief accurately?

Science is the business of generating testable hypotheses.

I was certain that some people, whether by accident of birth or some pecularity of training, could tune in to another source of information and could know things about people we didn't think were possible to know.