Zhiyuan (from Zhuge Liang's "The Book of Commandments": "Without indifference, one cannot have a clear ambition; without tranquility, one cannot reach far") Chapter 89: Meng Huo led his troops for the fourth time after being released. After Zhan Zhuge Liang sacrificed the ghost of Lushui, he successfully defeated the enemy. The leader of Wei, Cao Pi, died of illness and seized the ferry to rank ahead of Zhang Fei, Zhao Yun, Ma Chao and Huang Zhong. Liu Bei ordered Guan Yu to attack Fancheng. Guan Yu gave up Kong Ming's strategy of uniting Wu to fight against Cao