In our prehistoric past, we would have lived in extended families, surrounded by kin whose interests we might have wanted to promote because they shared our genes. Now we live in big cities. We are not among kin nor people who will ever reciprocate our good deeds. It doesn't matter. Just as people engaged in sex with contraception are not aware of being motivated by a drive to have babies, it doesn't cross our mind that the reason for do-gooding is based in the fact that our primitive ancestors lived in small groups.

What Francis [Collins] was just saying about Genesis was, of course, a little private quarrel between him and his Fundamentalist colleagues. It would be unseemly for me to enter in except to suggest that he'd save himself an awful lot of trouble if he just simply ceased to give them the time of day.

THE MAJORITY of children born into the world tend to inherit the beliefs of their parents, and that to me is one of the most regrettable facts of them all

I had always been scrupulously careful to avoid the smallest suggestion of infant indoctrination, which I think is ultimately responsible for much of the evil in the world. Others, less close to her, showed no such scruples, which upset me, as I very much wanted her, as I want all children, to make up her own mind freely when she became old enough to do so. I would encourage her to think, without telling her what to think.

It can be consoling to think your children are in heaven. You have got to understand that that doesn't make it true. Many people cannot understand that distinction.

Genome sequencing has changed taxonomy.

I detest 'Jingle Bells,' 'White Christmas,' 'Rudolph the Red Nosed Reindeer,' and the obscene spending bonanza that nowadays seems to occupy not just December, but November and much of October, too.