This Han Feizi ‑ Chapter 49 (Five Vermin) argues governance must adapt to changing eras. It denounces five harmful social groups sapping state strength, advocating strict law‑reward‑punishment and prioritizing farming‑warfare over empty moral rhetoric.
Sun Tzu lists six military failures all arising from flawed generalship, including flight, laxity, rout, etc. Uneven troop-officer morale, mutinous officers, loose discipline and poor enemy evaluation all lead to defeat, which commanders must guard against.