July 28, 2014, marked the 100th anniversary of the beginning of World War I. In the British media many discussions and documentaries recalled the start of that 4-year conflict. Even the TV program Mr. Selfridge, which is based on an actual department store in London, included an episode set in 1914 that showed young male employees lining up to volunteer for the army. As I observed these portrayals of self-sacrifice, I felt a lump in my throat. The soldiers they depicted had been so young, so eager, and so unlikely to return from the horror of the trenches.

Although Jesus didn’t…