The Importance of Centrality in the Christian Faith

Bob Greene: Martin Luther the famous Protestant reformer who lived you know 500 years ago he called justification quote the doctrine on which the church stands or falls. What if you could unpack for us what did he mean by that when he said that and do you agree with that sentiment that is how central this doctrine is to the Christian faith? Yes well there's all kinds of fascinating historical discussion you know where does this language come from  it seems to be the case that the actual phrase comes much much later than the Reformation it's a bit more modern and contemporary but more to your question I think the issue of centrality is a complicated one at first glance it might not seem so but