A major theme of the Old Testament book of 2 Samuel could easily be “Life is a mess!” It has all the elements of a blockbuster TV miniseries. As David sought to establish his rule as king of Israel, he faced military challenges, political intrigue, and betrayal by friends and family members. And David himself was certainly not without guilt as his relationship with Bathsheba clearly showed (chs. 11–12).

Yet near the end of 2 Samuel we find David’s song of praise to God for His mercy, love, and deliverance. “You, Lord, are my lamp; the Lord turns my darkness into…