There are two ways to be rich: to have more or need less. It's estimated that we squander about 30 percent of our energy leaving the lights on, the refrigerator door open, and so on. Then there is the enormous amount of food that we expend huge amounts of energy to raise and then throw away.

I always liked show biz and got to make a few training films at Boeing.

From an evolutionary standpoint you can't just wipe everything out and start over, and I don't think you can do it in the school system either.

I like to regard myself as someone who's capable of critical thought, that is to say, who can evaluate claims.

If the Earth gets hit by an asteroid, it's game over. It's control-alt-delete for civilization.

In another couple centuries I'm sure that worldview won't even exist. There's no evidence for it.

Science is the best idea humans have ever had. The more people who embrace that idea, the better.