When I teach my class on spiritual disciplines, I usually feel renewed in my life. When I do that, I realize how significant discipline is for many different human endeavors. I certainly knew the value of discipline in my more active sports’ life. I suppose as I get older, it still takes a little discipline to keep up some form of exercise. While I miss those days of long runs or the competitiveness of a basketball game, I still find joy in a walk through the Metroparks. Discipline with respect to eating and so many other areas of life would likely make us all healthier and saner. It is no different when it comes to our spiritual life. As I have taught spiritual disciplines over the years, I have to think about books I want students to read. As you can imagine, there are a host of books about spiritual disciplines. Of course, the real trick is actually to get students---and myself---doing disciplines, rather than just reading about ...