Pacifying Hebei with Integrity
In the early days of his reign, Emperor Taizong of Tang appointed Wei Zheng, a former Daoist, rebel, and advisor to his deceased rival Li Jiancheng, as a Remonstrance Official. Recognizing Wei Zheng’s familiarity with the region, Taizong sent him to Hebei to pacify officials who had served under Li Jiancheng and Li Yuanji, granting them a full pardon. Upon arriving in Cizhou, Wei Zheng discovered two former subordinates of the rival princes being escorted to Chang’an for punishment. Defying standard protocol but adhering to the Emperor’s spirit of amnesty, Wei Zheng immediately ordered their release, declaring, “If the Emperor has pardoned them, why are they still imprisoned? How can anyone trust my mission if the court’s words are not honored?” This decisive act restored faith in the new regime, quickly stabilizing the region and earning Taizong’s deep respect for Wei Zheng’s judgment.
The Principle of Trust and Governance
Emperor Taizong was determined to avoid the tyranny of past dynasties, where ministers like Guan Longfeng and Bi Gan were executed for speaking truth to power. He urged his court to criticize him openly. However, he soon faced a test of his own integrity. When Prime Minister Feng Deyi proposed conscripting boys aged sixteen to eighteen to bolster the army due to a shortage of soldiers, Taizong agreed. Wei Zheng refused to co-sign the edict, arguing fiercely that the Emperor was breaking his promise of credibility. “Your Majesty claims to rule with honesty,” Wei Zheng stated, “yet you have already reneged on tax exemptions and are now lowering the conscription age against established laws. How can the people trust a ruler who changes his word so soon?” Shamed by this logic, Taizong admitted his error, canceled the order, and praised Wei Zheng for his clarity.
Restraint in Power and Ambition
Wei Zheng’s vigilance extended to the Emperor’s personal conduct and imperial ambitions. When Taizong complained about poor accommodations during an inspection in Luoyang, Wei Zheng warned him that such pettiness mirrored the extravagance of Emperor Yang of Sui, which had led to rebellion. Later, when ministers suggested a grand Fengshan sacrifice at Mount Tai to celebrate the realm’s prosperity, Wei Zheng advised against it. He argued that while the nation had improved, the granaries were still not full, and the cost of such a procession would burden the people. Taizong, valuing this counsel over his own desire for glory, abandoned the plan. In a famous dialogue, Wei Zheng defined a wise ruler as one who “listens to all sides”, while a dark ruler is one who “believes only one side.” Inspired, Taizong encouraged lower-ranking officials to participate in decision-making and mandated that unjust orders, even from the throne, be challenged.
The Queen’s Wisdom and the Mirror of State
Despite his resolve, Taizong’s temper sometimes flared. After a heated argument where Wei Zheng stubbornly refuted him in front of the court, the Emperor returned to the palace fuming, muttering, “One day I will kill this old country bumpkin!” Empress Zhangsun, hearing this, donned her formal ceremonial robes and stood in the courtyard to congratulate him. When asked why, she replied, “I have heard that only a bright monarch has upright ministers. Wei Zheng’s boldness proves Your Majesty’s wisdom. Should I not congratulate a sage ruler?” Taizong’s anger instantly dissolved into shame and appreciation. Even the Empress was not exempt from Wei Zheng’s scrutiny; when Taizong planned to give his favorite daughter, Princess Changle, a dowry exceeding that of her senior aunt, Wei Zheng objected, citing the importance of hierarchy and imperial credibility. Both the Emperor and Empress accepted this correction, with the Empress sending gifts to thank Wei Zheng for his loyalty.
The Warning of Decline and the Ten Gradual Changes
As years passed and the empire flourished, Taizong began to show signs of complacency, planning new palaces and becoming less receptive to criticism. When he scolded officials for inquiring about construction projects, Wei Zheng submitted a memorial warning that while few rulers fail to start well, even fewer finish well. He cautioned against luxury, arrogance, and the neglect of the people’s burden. Two years later, Wei Zheng presented his famous “Memorial on Ten Gradual Changes”, detailing ten specific areas where the Emperor had declined: from seeking exotic treasures and overusing labor to favoring flatterers over honest advisors and indulging in excessive hunting. Reading this, Taizong was struck with fear and humility. He ordered the memorial to be copied onto his screen walls to serve as a daily reminder of his duties, vowing to correct his faults and maintain his virtue until the end.
The Loss of a Mirror
In 643 AD, Wei Zheng fell gravely ill. Emperor Taizong, deeply distressed, visited him personally with the Crown Prince and Princess, mourning the impending loss of his most critical advisor. After Wei Zheng’s death, having offered over two hundred pieces of candid advice throughout his service, Taizong personally composed his epitaph and ordered a grand funeral. Standing before his court, the Emperor lamented, “Using copper as a mirror, one can adjust one’s cap and gown; using history as a mirror, one can understand the rise and fall of nations; using a person as a mirror, one can see one’s own strengths and weaknesses. With Wei Zheng gone, I have lost a mirror.” This profound statement encapsulated the unique bond between the Bright Monarch and the Upright Minister that defined the Zhenguan era.
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