"To be in the presence of a great leader is to know a blighted soul who has managed to make the darkness work for him. Ishmael says it best: "For all men tragically great are made so through a certain morbidness. Be sure of this, O young ambition, all mortal greatness is but a disease." In chapter 36, "The Quarter-Deck," Melville show us how susceptible we ordinary people are to the seductive power of a great and demented man."