Peleg Poague speaks from the grave and offers a rueful comparison: horses and men are just alike. He remembers his stallion Billy Lee, a beautiful black animal with blazing speed, the fastest around Spoon River. But every time Billy Lee seemed certain to win, he would rear, throw his rider, and collapse into a tangle. The horse was a perfect fraud—flashy but useless, too light for farm work, and unwanted for breeding. When Poague tried to drive him, the horse bolted and killed him.
The speaker’s tone is dry and resigned. He clearly admires the horse’s looks and speed, but he also sees how that promise is ruined by a self-destructive streak. That opening idea about horses and men hints at a wider point: some people, like Billy Lee, have obvious gifts but can’t handle success. The mood is darkly comic and ironic, a small-town tragedy told in a matter-of-fact voice.