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.

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.

Enjoying fiction requires a shift in selfhood. You give up your own identity and try on the identities of other people, adopting their perspectives so as to share their experiences. This allows us to enjoy fictional events that would shock and sadden us in real life.

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.