In his book, The Habits of Highly Effective Churches, George Barna writes, "Effective ministry fosters significant and continual changes in how people live. When your church consistently facilitates a personal metamorphosis among its people, it is operating in the realm of effectiveness."
This is not often the case. Clergy and lay leaders usually do not believe they can challenge the way church members lead their daily lives. In turn, most congregants do not view the church as having any authority over them in this regard.