Xian Gao was a native of the State of Zheng.
During the reign of Duke Mu of Zheng, seeing that the state was being pressured by Qin and Jin, Xian Gao chose to live in reclusion and not serve as an official, instead becoming a merchant.
Later, when Duke Wen of Jin returned to his state, he allied with Duke Mu of Qin to attack Zheng, surrounding its capital. The people of Zheng secretly made a treaty with Qin, causing the Jin army to withdraw. Qin then sent three officials, including Si Yu, to garrison Zheng.
Three years later, Duke Wen of Jin died, and Duke Xiang was newly installed. Duke Mu of Qin, now at the height of his power, sent Baili Xi, Qi Bai, and others to lead an army to launch a surprise attack on Zheng. As they passed through the Zhou domain and turned back at Hua, the people of Zheng were unaware of the threat.
At that time, Xian Gao was traveling to Zhou for trade when he encountered the Qin army. He said to his friend Jian Ta: “This army has marched thousands of li and passed through the territories of several feudal lords; their momentum suggests they intend to surprise attack Zheng. Generally, those who launch a surprise attack do so because the target is unprepared. If we show them that we know their intentions, they will surely not dare to advance.”
Thereupon, Xian Gao falsely claimed to act on the orders of the Lord of Zheng. He presented twelve oxen to reward the Qin army and simultaneously sent a messenger to alert Zheng to prepare its defenses.
Upon hearing this, Si Yu fled to Qi. When Meng Ming (the Qin general) and others returned, they were ambushed by the Jin army at the mountain passes and suffered a crushing defeat. Thus, the State of Zheng relied on Xian Gao to survive.
Duke Mu of Zheng wished to reward Xian Gao with the honors given to one who saves a nation. However, Xian Gao declined, saying: “If I am rewarded for deception, then the governance of Zheng will be ruined. To govern a state without trustworthiness is to corrupt its customs. To reward one person while ruining the customs of the entire state is something a wise man would never do.”
Consequently, he moved with his clan to the Eastern Barbarians (Dongyi) and never returned for the rest of his life.
Note
This story, Xian Gao saves his country by feasting the enemy, is a classic example of patriotism, quick wit, and the Daoist/Confucian ideal of rejecting fame to preserve moral integrity. It highlights the tension between pragmatic survival and absolute ethical consistency.
Xian Gao
A merchant from Zheng who became a national hero. Unlike typical officials, he was a commoner who used his wits to save his country. His refusal of reward is the climax of the story, elevating him from a clever patriot to a moral sage. He represents the idea that true virtue involves self-effacement.
Duke Mu of Qin
One of the Five Hegemons. While ambitious and powerful, his decision to launch a long-distance surprise attack on Zheng (against advice) led to a disastrous defeat, illustrating the limits of military aggression without strategic foresight.
Meng Ming Shi (Baili Xi’s son)
The Qin general leading the expedition. His failure and subsequent defeat by Jin mark a turning point in Qin’s expansionist attempts during this period.
Duke Mu of Zheng
The ruler who recognized Xian Gao’s contribution but whose offer of reward was rejected to uphold the principle of honesty.
“Deception to Save the State” vs. “Integrity of Governance”
Xian Gao’s action was a brilliant bluff Jiao Ming (falsifying orders). In a crisis, deception is often praised as wisdom. However, Xian Gao’s refusal of the reward introduces a deeper philosophical layer: while deception may be necessary in war, institutionalizing it through rewards corrupts the moral foundation of the state.
His argument – “Rewarding deception ruins customs” – reflects a profound understanding of political ethics. If the state officially praises lying, even for a good cause, it erodes the value of truth in daily governance.
The Merchant-Patriot
In ancient China, merchants were often viewed as lower class compared to scholars or farmers. Xian Gao’s story challenges this hierarchy, showing that wisdom and loyalty are not bound by social status. His role as a traveler allowed him to spot the threat where isolated officials could not.
Reclusion and Self-Exile
By moving to the “Eastern Barbarians” and never returning, Xian Gao follows the tradition of the “Gao Shi” (High-minded Hermit). He removes himself from the political sphere to ensure his moral stance remains untainted by court politics or the potential hypocrisy of a state that might later forget his lesson.
Historical Context
The Battle of Xiao (627 BC): The event described is historically known as the Battle of Xiao. The Qin army’s attempt to sneak attack Zheng failed due to Xian Gao’s intervention, and their retreat led to an ambush by Jin, crippling Qin’s military power for a generation. This story is recorded in the Zuo Zhuan (Commentary of Zuo) and is a pivotal moment in Spring and Autumn period diplomacy.
弦高者，郑人也。郑穆公时，高见祝为秦晋所逼，乃隐不仕，为商人。及晋文公之返国也，与秦穆公伐郑，围其都。郑人私与秦盟，而晋师退。秦又使大夫祀于等三人戍郑。居三年，晋文公卒，襄公初立。秦穆公方强，使百里西、乞白乙帅师袭郑。过周反滑，郑人不知。时高将市于周，遇之，谓其友蹇他曰：“师行数千里，又数经诸侯之地，其势必袭郑。凡袭国者，以无备也。示以知其情也，必不敢进矣。”於是乃矫郑伯之命，以十二牛犒秦师，且使人告郑为备。祀于亡奔齐，孟明等返至都，晋人要击，大破秦师。郑于是赖高而存。郑穆公以存国之赏赏高，而高辞曰：“诈而得赏，则郑国之政废矣。为国而无信，是败俗也。赏一人而败国俗，智者不为也。”遂以其属徙东夷，终身不返。
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