“Christ is not a principle in accordance with which the whole world must be shaped.  Christ is not the proclaimer of a system of what would be good today, here and at all times.  Christ teaches no abstract ethics such as must at all costs be put into practice.  Christ was not essentially a teacher and legislator, but a human, a real human like ourselves…For indeed it is not written that God became an idea, a principle, a program, a universally valid proposition or a law, but that God became human.”

- Dietrich Bonhoeffer, Ethics.