This Legalist section from Han Feizi ‑ Chapter32.8 presents multiple tales including the thorn‑tip monkey fraud. It argues rulers must test theories against real‑world outcomes, rejecting persuasive yet impractical empty rhetoric.
Pang Meng studied archery under Yi and mastered all of Yi’s techniques. He then thought, “In the whole world, only Yi surpasses me. If I don’t eliminate him, I’ll never be supreme.” So he killed Yi.