The Failure of Natural Theology: A Critical Appraisal of the Philosophical Theology of Thomas Aquinas

Also available on Amazon Kindle Hardback264 pages6" x 9" Aristotle’s cosmological argument is the foundation of Aquinas’s doctrine of God. For Thomas, the cosmological argument not only speaks of God’s existence but also of God’s nature. By learning that the unmoved mover is behind all moving objects, we learn something true about the essence of God—principally, that God is immobile. But therein lies the problem for Thomas. The Catholic Church had already condemned Aristotle’s unmoved mover because, according to Aristotle, the unmoved mover is unable to be the moving cause (i.e., Creator) and governor of the universe—or else he would cease to be immobile. By seeking to baptize Aristotle into the Catholic Church, however, Thomas gave his life to seeking to explain how God can be both immobile and the moving cause of the universe. Thomas even looked to the pantheistic philosophy of Pseudo-Dionysius for help. But even with Dionysius’s aid, Thomas failed to reconcile the god of Aristotle