More than 700 years ago, Dante Alighieri (1265-1321) wrote an epic poem about a man's journey through the afterworlds of Hell, Purgatory and Heaven. In his Divine Comedy, he catalogued the vices and virtues of people who had passed into those spiritual domains, in part to provide a valuable insight to us, the living. Dante described hell as a very unhappy and inhospitable place that had differe...