Why do people believe that there are dangerous implications of the idea that the mind is a product of the brain, that the brain is organized in part by the genome, and that the genome was shaped by natural selection?

Whenever you speak to someone, you are presuming the two of you have a certain degree of familiarity - which your words might alter. So every sentence has to do two things at once: convey a message and continue to negotiate that relationship.

After their return from Babylon, the practice of human sacrifice died out among the Jews, but survived as an ideal in one of its break-away sects, which believed that God accepted the torture-sacrifice of an innocent man in exchange for not visiting a worse fate on the rest of humanity. The sect is called Christianity.

If you look in general at people who live in anarchy, they have quite high rates of death from either homicide or warfare or both. Anarchy is one of the main reasons for violence, and it may be the most important.

There's a common criticism of evolutionary psychology that it's fatalistic and it dooms us to eternal strife, 'Why even try to work toward peace if we're just bloody killer apes and violence is in our genes?'

With violence, as with so many other concerns, human nature is the problem, but human nature is also the solution.

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