Of course, Hefner was a source of much controversy, mostly because of the magazine's role in objectifying women. (entrepreneur.com)
One place to see easily the variety of theological norms coming into play is in Wesley's Plain Account of Christian Perfection, perhaps both the key text for those who wished to sustain continuity with the spiritual experience of classical Wesleyanism and a source of much controversy with outsiders who found the key doctrine of the Wesleyan tradition offensive. (religion-online.org)
Matthew 16:18 - 19 ha been the source of much controversy, of course, for it is on of the bases of the claim of the Roman Catholic tradition the their ministry goes directly back to Peter. (religion-online.org)