“But he could not call the doctors at the leprosarium. They would return him to Louisiana. They would treat him and train him and counsel him. They would put him back into life as if his illness were all that mattered, as if wisdom were only skin deep, as if grief and remorse and horror were nothing but illusions, tricks done with mirrors, irrelevant to chrome and porcelain and clean, white, stiff hospital sheets and fluorescent lights.”