In "Unsheltered," Barbara Kingsolver explores the complexities of human nature and the chaotic state of the world. The quote "If that is our nature, then nature is madness" encapsulates the idea that human behavior often leads to discord and turmoil, reflecting the broader disarray of society. Kingsolver presents a world that feels increasingly unstable, challenging the reader to confront how our actions contribute to this reality. The book emphasizes that the present moment is marked by unprecedented challenges, raising concerns about the future. As characters navigate their lived experiences, they grapple with the implications of our choices on both an individual and collective level. Kingsolver's message serves as a call for reflection on what it means to be human in these perilous times, urging us to seek understanding and promote change.