After the Partition of Jin in 403 BCE, the newly established state of Wei, under Marquis Wen of Wei (Wei Si), quickly emerged as the most powerful among the Three Jins.
The rise of Wei under a wise ruler
Marquis Wen was renowned for his meritocratic governance: he actively recruited talent, promoted agricultural reforms, built irrigation systems, and implemented the policy of “grain stabilization” – buying surplus grain at fair prices in good years and selling it cheaply during famines. This stabilized food prices, secured peasant livelihoods, and accelerated economic growth.
With domestic stability achieved, Marquis Wen turned his eyes northeast – to the State of Zhongshan (in modern Dingzhou, Hebei), a former vassal of Jin that had grown defiant since the partition of the former Jin. Its ruler, Ji Ku, was infamous for tyranny and decadence. Fearing that Zhao or Han might seize Zhongshan first, Marquis Wen resolved to act.
A general with a son in the enemy court
A capable general named Yue Yang was recommended – a man skilled in both civil and military affairs. But objections arose immediately:
“His son, Yue Shu, serves as a high official in Zhongshan! How can we trust him?”
Marquis Wen investigated and learned that Yue Yang had once refused Zhongshan’s invitation, urging his son to leave:
“That ruler is corrupt. Staying with him invites ruin.”
Convinced of Yue Yang’s integrity, Marquis Wen summoned him and asked directly:
“Your son is in Zhongshan. Can you truly lead this campaign?”
Yue Yang replied without hesitation:
“A true man serves his state, not his family. If I fail to conquer Zhongshan, I accept punishment!”
Deeply moved by his resolve, Marquis Wen declared:
“I trust you completely.”
And so, in 408 BCE, Yue Yang was appointed commander-in-chief, with Ximen Bao as his deputy, leading 50,000 troops against Zhongshan.
Siege, Strategy, and Patience
Zhongshan’s general Gu Xu met them in open battle. After a month of stalemate, Yue Yang and Ximen Bao used fire tactics to rout the enemy and advanced to the capital walls.
Now desperate, Zhongshan’s minister Gongsun Jiao suggested leveraging Yue Shu:
“Send him to beg his father for mercy.”
But Yue Shu resisted:
“My father rejected this court long ago. He won’t listen.”
Forced under threat of death, Yue Shu appeared on the ramparts. Yue Yang rebuked him fiercely:
“You cling to wealth while serving a tyrant! Tell your king to surrender – or I’ll kill you myself!”
He granted one month’s grace – not out of weakness, but strategy.
The test of trust
Month after month, Yue Yang held back, extending deadlines repeatedly at Zhongshan’s pleas. Meanwhile, rumors spread in Wei’s court:
“Yue Yang spares his son! Zhongshan will never fall!”
Yet Marquis Wen remained silent – and steadfast. He sent envoys to comfort Yue Yang, even announcing he was building him a new house for his triumphant return.
When Ximen Bao grew anxious, Yue Yang revealed his true intent:
“I let them break promises again and again – so their people see their ruler’s deceit. This war isn’t for territory alone, but for the hearts of Zhongshan’s citizens.”
The ultimate sacrifice
When Zhongshan still refused to yield, Yue Yang launched the final assault. In desperation, Ji Ku had Yue Shu bound atop the gate and threatened to execute him.
From below, Yue Shu cried:
“Father, save me!”
Yue Yang roared back:
“You failed your duty – as minister, as son, as man! What right have you to beg like a child?”
He drew his bow. Terrified, Zhongshan officials pulled Yue Shu down – and executed him on charges of disloyalty.
Then came the cruelest blow: they boiled Yue Shu’s body into broth and sent it to Yue Yang with a taunt:
“Here is your son’s meat – eat it!”
Enraged, Yue Yang smashed the pot and thundered:
“You feed me my son’s flesh? Our cauldrons await your king!”
Fueled by grief and fury, his army stormed the city. Ji Ku committed suicide; Gongsun Jiao surrendered – and was executed for his crimes. Yue Yang then abolished oppressive laws, pacified the populace, and left Ximen Bao with 5,000 men to govern before returning to Wei.
The box of accusations
Outside the capital Anyi, Marquis Wen personally welcomed Yue Yang:
“You sacrificed your own son for the state. I am deeply ashamed.”
At the victory banquet, Yue Yang – flushed with pride – was given a sealed box as a reward. Expecting gold or jade, he rushed home to open it.
Inside lay no treasure – but stacks of memorials from Wei’s ministers:
“Yue Yang halts attacks at his son’s word – proof of divided loyalty.”
“Recall him, or lose the whole army!”
“Appointing him was a grave error.”
Tears streamed down Yue Yang’s face. He realized: only Marquis Wen’s unwavering trust had made victory possible.
The Wisdom of “Using people without doubt”
The next day, Yue Yang declined honors:
“The conquest was your doing, my lord – not mine.”
But Marquis Wen replied:
“Only I could trust you. Only you could conquer Zhongshan. That is why I name you Lord of Lingshou.”
And so Yue Yang retired to his fief – once part of Zhongshan – carrying not just land, but the enduring lesson of leadership:
True strength lies not in arms, but in the courage to trust – and be trusted.
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