Hearing Things: Religion, Illusion, and the American Enlightenment"Faith cometh by hearing" so said Saint Paul, and devoted Christians from Augustine to Luther down to the present have placed particular emphasis on spiritual arts of listening. In quiet retreats for prayer, in the noisy exercises of Protestant revivalism, in the mystical pursuit of the voices of angels, Christians have listened for a divine call. But what happened when the ear tuned to God's voice found itself under the inspection of Enlightenment