In "As I Lay Dying," William Faulkner explores the complexities of human nature through the struggles and interactions of the Bundren family. The characters face various challenges that provoke deep reflections on their motivations and moral dilemmas, often leading to moments of doubt and despair. This creates a vivid portrayal of the human condition, showcasing both the beauty and flaws inherent in people.

Faulkner eloquently expresses the sentiment of losing faith in humanity, as captured in the quote about being assailed by doubt. This theme resonates throughout the novel, emphasizing how characters grapple with their inner conflicts and the darker aspects of existence. Ultimately, their experiences highlight the fragile balance between hope and despair in the human experience.