At the Kenya Airways check-in counter, I presented my passport for verification. When the agents searched for my name on their manifest—the document that lists names of passengers—my name was missing. The problem? Overbooking and lack of confirmation. My hope of reaching home that day was shattered.

The episode reminded me of another kind of manifest—the Book of Life. In Luke 10, Jesus sent His disciples on an evangelistic mission. On their return, they happily reported their success. But Jesus told them: “Do not rejoice that the spirits submit to you, but rejoice that your names are written in heaven” (v.…