Revelation is a central category in many religions. Judaism, Christianity, Islam, Mormonism or Unificationists are difficult if not impossible to imagine without it. For some, revelation signifies a decisive event in the past, for others it is a present reality. It plays a central role in shaping religious identities, and it is the reason for much criticism. Some follow a religion only because of its claim to divine revelation, whereas others criticize it as "hearsay upon hearsay" (Paine) on which they would never rest their belief. Some religions have built elaborate institutions of priests...