Marilyn had been ill for many weeks, and many people had encouraged her through this difficult time. How will I ever repay all their kindnesses? she worried. Then one day she read the words of a written prayer: “Pray that [others] will develop humility, allowing them not only to serve, but also to be served.” Marilyn suddenly realized there was no need to balance any scale, but just to be thankful and allow others to experience the joy of serving.  

In Philippians 4, the apostle Paul expressed his gratitude for all those who shared “in [his] troubles” (v. 14). He depended…