Philemon is one of the shortest books in the Bible, and for that reason, it is easy to read in one sitting. And while it doesn't contain a theology of the cross, like Romans or Galatians, and it doesn't contain a theology of the church, like Ephesians, it is a wonderful example of theology-in-action. It is lived theology. It is a theology of the cross or a theology of the church as lived out in the lives of Paul, Philemon, and Onesimus. Let's take a look!