Racial prejudice is, first of all, a psychological factor, rooting in
collective egotism and pride and the pervasive human tendency to dislike the different.
Senator Moynihan rightly concedes that one's ethnicity or nationality can be a legitimate source of pride, but warns, using the words of the Christian ethicist Reinhold Niebuhr, that it can also be a form of
collective egotism, potentially very destructive.8