The doctrine of the impassibility of God is a controversial one. From there, Geisler deduces Simplicity, Necessity, Immutability, Impassibility, Eternity, and Unity. However, in Christianity there was an ancient dispute about the impassibility of God (see Nestorianism). The relative impassibility of the swamps has protected wildlife in the area. Thomas Jay Oord offers a scathing criticism of divine impassibility in his various theological works. The Catholic Church does not have a dogmatic, doctrinal, nor discipline stance on impassibility.