The textbook definition of sin is doing something that you know to be wrong. And yet, as has been frequently noted in fiction, villains (almost) never think to themselves, “Gee, I’m doing something wrong now.” We each live out narratives in which we star as the protagonist. We are the heroes of our own stories. How can we reconcile these two notions: first, that sin requires a knowledge that what we are doing is wrong and second, that no one really believes what they are doing is wrong at the time that they do it? I’m going to rely once again on Lt. Col. Dave Grossman’s On Killing. (As I’ve written about before, his work has had quite an impact on me.) The primary thesis of his work is that human beings have a strong aversion towards killing other human beings, and that as a result most combat soldiers will not willingly take the life of their enemy even when their lives and their comrades lives depend on it. Clearly the army that figures out how to overcome this inhibition will have a tremendous advantage over foes that have not. (Grossman suggests that several smaller wars in the 20th century reflected this imbalance, including the Falklands War.) Modern militaries have stumbled onto psychological practices such as operant conditioning to create automatic reflexes that will override the innate inhibition and render combat forces frighteningly effective. Soldiers trained in such techniques still require a host…
