to bring about a radical change in us. We who were guilty are now joined to Christ, sharing in his righteousness and enjoying the peace which flows to us in a restored relationship with the Father. No wonder Calvin called this the wonderful exchange. It is a swap unlike any other because it actually brings about transformation. We could spend pages unpacking just this single, astounding phrase. But for our purposes, the main thing is that we see where Paul goes with this. Paul writes this because