In Larry McMurtry's novel "Lonesome Dove," the character Monkey John reflects on the harsh realities of life along the Canadian River after witnessing the death of a young boy. His observation suggests a brutal environment where human life holds little value, indicating the dangers and hardships encountered in this rugged landscape.

Blue Duck responds to Monkey John's grim observation, reinforcing the idea that life could become even less valuable. Their exchange highlights the precariousness of existence in their world, emphasizing themes of survival and the desolation found in the unforgiving frontier setting of the story.