The other day, I mentioned the blog Singulare Ingenium written by Patricius. I had time this evening to read his post On the Origin and Nature of the Orcs . The question illustrates the importance of Christian philosophy in Tolkien because he cannot simply have a set of creatures that are evil in their origin and nature - there must be some explanation of why they are so. Tolkien held to the fundamental principle which is put into the mouth of Elrond in "The Lord of the Rings" as he explains why the ring may not be used even for an apparently good purpose: "We cannot use the Ruling Ring. That we know too well. It belongs to Sauron and was made by him and is altogether evil. Its strength, Boromir, is too great for anyone to wield at will, save only those who have great power of their own. But for them it holds an even deadlier peril. The very desire of it corrupts the heart. Consider Saruman. If any of the Wise should with this Ring overthrow the Lord of Mordor, using hi...