A Myth of Innocence: Mark and Christian Origins. By Burton L. MackBURTON MACK AND THE LOSS OF OUR INNOCENCE 1A Myth of Innocence: Mark and Christian Origins. By Burton L. Mack A Myth of Innocence: Mark and Christian Origins. By Burton L. Mack A Myth of Innocence: Mark and Christian Origins. By Burton L. Mack.