Note: Contribution to ‘Augustine and Manichaean Christianity’, the First South African Symposium on Augustine of Hippo, University of Pretoria, 24−26 April 2012. Dr Jacob van den Berg is participating as research fellow of Prof. Dr Hans van Oort, Professor Extraordinarius in the Department of Church History and Polity of the Faculty of Theology at the University of Pretoria, Pretoria, South Afr...