I teach classes 28 weeks of the year, but the rest of the time I do research and write books.

As women are empowered, violence can come down, for a number of reasons. By all measures, men are the more violent gender.

I think a lot of moral debates are not over what is the basis of justice, but who gets a ticket to play in the game.

Natural selection is not the only process that changes organisms over time. But is the only process that seemingly designs organisms over time.

Unfortunately, creative people are at their most creative when writing their autobiographies.

If you give people literacy, bad ideas can be attacked and experiments tried, and lessons will accumulate.

I never outgrew my conversion to atheism at 13, but at various times was a serious cultural Jew.