My friend’s words stung. Trying to sleep, I battled to stop mulling over her pointed comments about my strong opinions. As I lay there, I asked for God’s wisdom and peace. Several weeks later, still concerned about the matter, I prayed, “I hurt, Lord, but show me where I need to change. Show me where she’s right.”

My friend had acted as God’s sandpaper in my life. My feelings felt rubbed raw, but I sensed that how I responded would lead to the building of my character—or not. My choice was to submit to the smoothing process, confessing my pride and…