This article interprets Sun Tzu’s idea of building favorable strategic momentum via the Battle of Changping. Qin secured victory through diplomacy, logistics and psychological tricks before Bai Qi’s final strike, proving momentum shapes decisive wins.
Li Si warns Han’s king: Zhao will attack Han first. Qin and Han share risks. Submit to Qin, or face invasion and ruin.
Han Fei advises Qin: use diplomacy to win Chu/Wei, ally with Han, strike Zhao. War is risky; reckless moves isolate Qin and court disaster.
Han Fei warns Qin: attacking loyal, weak Han is a mistake. Ignore Zhao’s threat, drain strength, empower rivals, and risk unification failure.
A historical text compiled by Chen Shou (233–297 CE) during the Western Jin dynasty. It is a biographical state-by-state history chronicling the Three Kingdoms period – Wei, Shu, and Wu – and comprises 65 scrolls: Book of Wei (30 scrolls),Book of Shu (15 scrolls), and Book of Wu (20 scrolls).