As Christians, we tend - I believe - to focus on the threats to our faith and to our Bible-based values which come from the world-at-large, a place outside our community of believers. That's understandable, but it's not entirely correct. We're directed to be aware of the threats to our faith and to our values from within our ranks too. There are common adversaries in both places. This article is a review of a very real danger that both Paul and Jesus warned us about.