Almost nobody believes anymore that infants are insensate blobs. It seems both mad and evil to deny experience and feeling to a laughing, gurgling creature.

Maybe one of the most heartening findings from the psychology of pleasure is there's more to looking good than your physical appearance. If you like somebody, they look better to you. This is why spouses in happy marriages tend to think that their husband or wife looks much better than anyone else thinks that they do.

If you look within the United States, religion seems to make you a better person. Yet atheist societies do very well - better, in many ways, than devout ones.

I want to convince you that humans are, to some extent, natural born essentialists. What I mean by this is we don't just respond to things as we see them or feel them or hear them. Rather, our response is conditioned on our beliefs, about what they really are, what they came from, what they're made of, what their hidden nature is.

We benefit, intellectually and personally, from the interplay between different selves, from the balance between long-term contemplation and short-term impulse. We should be wary about tipping the scales too far. The community of selves shouldn't be a democracy, but it shouldn't be a dictatorship, either.

A sympathetic parent might see the spark of consciousness in a baby's large eyes and eagerly accept the popular claim that babies are wonderful learners, but it is hard to avoid the impression that they begin as ignorant as bread loaves.