If you depend on where the chestnuts are going to be, and where the deer are, you have to be attuned to the outside world.

What is it about sex? Is it the sensations, or is it the meanings and the communication game that's tied into that.

Back in the really early days, the men went out hunting, the women stayed home with the kids, and would hold the kid in one arm against the heart, so that's the left, and with the right arm they would throw. And it turns out you cannot make that calculation in real time. You have to have an algorithm set up. So these brain mechanisms evolved in order to do that, and when they evolved, the thing is that where there is a useful capability it often adapts to places it wasn't evolved for.

You can't pick up the telephone and say, 'Connect me with someone else who has a kid with leukemia.'

The areas of the brain that have to do with speech are very connected with the same parallel processors that have to do with the kind of ballistic calculations you need to hit small game with a rock.

Human beings were human beings anatomically for several hundred thousand years, wandering around, hunting and gathering. And then suddenly, at the same time they started painting in caves they started multiplying.

Essentially pursuit of happiness is saying, everything's allowed until we come down on it.