Empathy: the power of mentally identifying oneself with, and so fully understanding another person. Sociopath: a person with a psychopathic personality whose behavior is antisocial, often criminal, and who lacks a sense of moral responsibility or social conscience.
Profile of the Sociopath
One of the most amazing court cases you probably have never heard of had come down to this. Standing Bear, the reluctant chief of the Ponca tribe, rose on May 2, 1879, to address a packed audience in a Nebraska courtroom. At issue was the existence of a mind that many were unable to see.
Mindwise: How We Understand What Others Think, Believe, Feel, and Want