Both of them are basically equally well-versed in science, although they may disagree about the sort of controversies that competent scientists may disagree over. One of them is firmly convinced that all humans are equal in the sense in which a modern member of a democratic society understands "equal." The other denies this claim and affirms instead a kind of Nietzschean view of human nature. What is the basis for the difference in their convictions about human nature? Whatever it is, it is not a scientific basis.
Commentary and discussion regarding science, faith and culture by Leo White