of the subtopics of theology, such as the doctrine of humanity, where the central idea is a twofold statement: humanity is in God’s image and also radically fallen. But even if a theologian leaves aside all the details and only tries to say the one main thing that makes Christian faith what it is, the one main thing includes within itself the three gigantic doctrines of atonement, incarnation, and Trinity. Though the body of Christian truth is made up of a great many doctrines, perhaps hundreds of