As artillery rounds fell around him with an earth-shaking whoomp, the young soldier prayed fervently, “Lord, if you get me through this, I’ll go to that Bible school Mom wanted me to.” God honored his focused prayer. My dad survived World War II, went to Moody Bible Institute, and invested his life in ministry.

Another warrior endured a different kind of crisis that drove him to God, but his problems arose when he avoided combat. As King David’s troops fought the Ammonites, David was back at his palace casting more than just a glance at another man’s wife (see 2 Samuel 11).…