Unlike John or Peter, the gospel writer Luke was a cool-headed intellect. Luke was a physician. As a physician, he was trained to keep his emotional distance from the events he saw. Nobody wants a physician who lets emotion run ahead of intellect. We want our medical doctors to be able to confront the most remarkable experiences and stay calm; to analyze, decide the best course of action, and prescribe whatever it takes to get the patient well again. Above all else, "Keep calm and carry on." That is, do not let the moment possess you. Yet there was one moment in the life of Jesus that so impressed Luke that he could not stay calm. He had to tell it. In fact, it so impressed the physician-follower that he wrote about it on two different occasions. Luke understood that this was the moment wh…