the emphasis on racial diversity comes right out of St. Paul’s letter to the Ephesians, chapter 2, in which Paul claims that the racial diversity of the church is an important witness to the truth of the Christian message. To take another example, Reinhold Niebuhr has pointed out that irony, amusement at seeing human beings try but fail to be Godlike, is a very Christian way of looking at things.23 Because all these adaptive emphases have deep roots in historic Christian teaching, they are not simply marketing techniques.
