According to the classical theism of Augustine, Anselm, Aquinas and their adherents, God is radically unlike creatures and cannot be adequately understood in ways appropriate to them. God is simple in that God transcends every form of complexity and composition familiar to the discursive intellect. One consequence is that the simple God lacks parts. This lack is not a deficiency but a positive feature. God is ontologically superior to every partite entity, and his partlessness is an index thereof. Broadly construed, ‘part’ covers not only spatial and temporal parts (if any) but also metaphysic...