If it is true that the inner criterion of whether or not Christian theology is Christian lies in the crucified Christ, we come back to Luther’s lapidary statement: Crux probat omnia.1 In Christianity the cross is the test of everything which deserves to be called Christian. One may add that the cross alone, and nothing else, is its test, since the cross refutes everything, and excludes the syncretistic This is a hard saying. To many it sounds unattractive and
Page 7