The quote from Cormac McCarthy's "No Country for Old Men" reflects a profound sense of finality and inevitability. It suggests that the life of a person follows a defined arc, with distinct phases culminating in an inevitable conclusion. The speaker implies that the arrival of someone new marks the close of another person's life narrative, indicating a moment of transition, loss, or irreversible change.

This statement resonates with themes of fate and mortality, emphasizing that life is not only structured in terms of chronology but also in experiences and relationships that shape one's existence. The poignant declaration invites readers to contemplate the nature of their own lives and the connections that define them, ultimately leading to introspection on the cycles of life and the inescapable conclusions we all face.