"No Country for Old Men" by Cormac McCarthy explores the themes of morality, choice, and the consequences of one's actions within a violent world. The narrative follows various characters whose lives intersect through crime and fatal decisions, raising questions about the nature of good and evil. It highlights the struggle of individuals facing a chaotic reality and the philosophical dilemmas that accompany their choices.

One key quote from the book asks, "If the rules you followed have brought you to this point, what are those rules for?" This prompts readers to reflect on the purpose of the moral codes and principles that guide decisions in times of uncertainty. It challenges the idea that adherence to rules guarantees a favorable outcome, suggesting that the environment and circumstances can drastically alter the consequences of our adherence to those rules.