“Psychopathy, like autism, and many of the clinical disorders, is a spectrum.... Many of us are narcissistic, many of us are impulsive at some level. Many of us do all sorts of things that are at least somewhat morally wrong. We're somewhere on the spectrum.”

Harvard University evolutionary psychologist Marc Hauser, speaking at a July 2010 conference on “The New Science of Morality.” Harvard later said it had found him guilty of scientific misconduct.