In the golden age of the Song Dynasty, when the empire flourished under the wise rule of Emperor Renzong, the imperial court was a place of immense splendor and complex intrigue. Among the most respected figures within this high-walled world was Cao Yi, known formally as Cao Jingxiu, but referred to by all as Cao Guojiu, which translates to 'Imperial Brother-in-law Cao'. His sister was the virtuous and powerful Empress Cao, making him one of the most influential men in the land. He was often seen at the Emperor's side, dressed in exquisite robes of embroidered silk, carrying his jade tablet of office as a symbol of his high status and administrative responsibility. Yet, while the rest of the world looked upon his life with envy, Cao Guojiu felt a growing heaviness in his spirit that no amount of gold or honor could alleviate.
The source of his internal struggle was his younger brother, Cao Jingzhi. Unlike the elder Cao, who was studious, compassionate, and deeply concerned with the welfare of the people, the younger brother was a man of unchecked appetites and cruel ambitions. Relying on his family's connection to the Empress, Cao Jingzhi frequently abused his power, extorting merchants, seizing lands from helpless peasants, and engaging in scandalous behaviors that tarnished the family name. Despite Cao Guojiu’s constant warnings and pleas for his brother to reform, the younger man only grew more arrogant, believing that as a relative of the imperial family, he was above the laws of gods and men.
The crisis reached a breaking point when Cao Jingzhi committed a crime that even the imperial seal could not wash away. Driven by a petty grievance, he caused the death of a young scholar who had come to the capital to take the imperial examinations. This act of senseless violence, and the subsequent attempt to cover it up by bribing officials and threatening witnesses, shattered Cao Guojiu’s heart. He looked at the jade floors of the palace and saw not beauty, but the blood of the innocent. He realized that his own position, though he had personally remained clean, was funded by the same system that allowed such atrocities to occur. The guilt of his family's karma weighed upon him like a mountain. He understood that the pursuit of worldly power was a trap, a flickering candle in a windstorm that only served to blind men to the true path of the Dao.
In a grand gesture of renunciation that shocked the entire Song court, Cao Guojiu decided to leave everything behind. He approached the Empress and the Emperor, explaining that he could no longer serve the crown while his family’s legacy was stained with corruption. He stripped himself of his ceremonial robes, setting aside the silken garments and the golden belt of his rank. He took the vast wealth he had accumulated over the years—boxes of silver, bolts of fine silk, and titles to land—and distributed them entirely among the poor and the destitute of the capital. To the astonishment of the courtiers, he replaced his fine attire with the simple, coarse clothing of a common wanderer. Taking only his jade tablet, which he had carried for years, he walked out of the palace gates and turned his back on the life of a royal.
His destination was the rugged and sacred terrain of Mount Song in Henan province, a place long associated with the search for immortality and spiritual enlightenment. The journey was long and physically demanding for a man accustomed to the comforts of a palatial home. He slept on the hard earth, ate only what he could forage or what was offered by kind strangers, and braved the elements without the protection of a retinue. As he climbed the winding paths of the central mountain, the noise of the capital began to fade, replaced by the whispering of pine trees and the distant roar of waterfalls. In the solitude of the peaks, Cao Guojiu found a cave and began a life of intense meditation and self-cultivation.
For months, he lived as a hermit, practicing the arts of internal alchemy and focusing his mind on the void of the Dao. He sought to purge the last remnants of his noble ego, focusing on the concepts of Wu Wei, or non-action, and the cultivation of virtue. He spent his days watching the clouds drift and the seasons change, realizing that the patterns of nature held more wisdom than all the dusty scrolls of the imperial library. His skin became bronzed by the sun, and his eyes, once weary from courtly stress, grew bright with a serene clarity. He was no longer the Imperial Brother-in-law; he was simply a student of the universe.