Skilled generals win by harnessing battlefield momentum instead of blaming troops, picking proper soldiers to build unstoppable force like rolling round boulders. The Battle of Hefei illustrates this idea via Cao Cao’s smart deployment of complementary generals.
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.