D.Z.PHILLIPS is Danforth Professor of Philosophy of Religion, Claremont Graduate University and Professor of Philosophy Emeritus and Rush Rhees Professor Emeritus, University of Wales, Swansea. His previous publications include Wittgenstein and Religion, Interventions in Ethics and Recovering Religious Concepts. MARIO VON DER RUHR is Lecturer in Philosophy at University of Wales, Swansea, UK. He is Associate Editor of Philosophical Investigations and has published articles in philosophy of religion and ethics.