D. Stephen Long is Cary M. Maguire University Professor of Ethics at Southern Methodist University. He works in the intersection between theology and ethics and has published over fifty essays and nineteen books on theology and ethics including Divine Economy: Theology and the Market; Christian Ethics: Very Short Introduction; Augustinian and Ecclesial Christian Ethics: On Loving Enemies; The Routledge Companion to Christian Ethics with Rebekah Miles and the forthcoming On Teaching and Learning Christian Ethics (Georgetown Univ. Press).