"Oceanic Wonder":Arthur Koestler and Melville's Castaway James Duban This study proposes that "The Castaway" (Moby-Dick, chapter 93) helped shape Arthur Koestler's interpretation of "The Sermon" (Moby-Dick, chapter 9), which figures prominently in Insight and Outlook:An Inquiry into the Common Foundations of Science, Art and Social Ethics (1949). Koestler expanded the work into The Act of...