“The body of Muad’Dib is a dry shell like that abandoned by an insect,” Leto said. “He mastered the inner world while holding the outer in contempt, and this led to catastrophe. He mastered the outer world while excluding the inner world, and this delivered his descendants to the demons. The Golden Elixir will vanish from Dune, yet Muad’Dib’s seed goes on, and his water moves our universe.”