  In 1501 More completed his legal studies and qualified as a barrister. It was also the year in which he delivered a course of lectures on Augustine's City of God in Grocyn's church of St Lawrence Jewry. We have no record of what these contained, though Thomas Stapleton in Tres Thomae (1588) claims that he treated the work more from the standpoint of history and philosophy than theology. Augustine would remain central to More's thinking, yet, in his 1515 letter to Martin Dorp, he takes the opportunity to criticize the saint's view on the corporeality of demons: