Recently, the Marine Corps announced it is planning to develop a program of “spiritual fitness training” in order to “build the kind of mental resilience necessary for war,” according to chaplain Rear Admiral Brent Scott. This is a welcome development, and it is good to see the military formally recognize a very basic truth about the human person: we are more than just a collection of muscle, bones, and tissue. After a long time in the Middle East, Scott said he “found that much of the resilience we saw was not necessarily attributed to something that somebody could do in the gym. A ...