compromise. No wonder Karl Barth called Christian ethics ‘the great disturbance’, so violently does it challenge, interrupt and upset the tranquil status quo.12 How then does the transformation take place? Be transformed, Paul replies, by the renewing of your mind. This is because only a renewed mind can test and approve, that is, discern, appreciate and determine to obey, God’s will. Although Paul does not here tell us how our mind becomes renewed, we know from his other writings that it is by