Why Sima Qian accepted castration to finish the Shiji
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TL;DR — After defending the defeated general Li Ling in 99 BC, Sima Qian was punished with castration; he accepted it, he wrote, so that he could finish the Shiji.
Sima Qian, Grand Historian at the court of Emperor Wu of Han, accepted castration rather than death because his history was unfinished. Columbia University’s Asia for Educators explains that after he spoke up for a defeated general, the emperor “sentenced Sima Qian to death,” and that “as a high-ranking official, Sima had a choice: accept the death penalty or submit to castration instead.” Most men in that position, it adds, “would have simply committed suicide.” He explained his decision in a letter to his friend Ren An, preserved in the Han Shu. Quotations from the Chinese below are our own translations.
Quick facts
- When
- Li Ling's campaign in the second year of the Tianhan era, 99 BC; Sima Qian lived about 145–86 BC
- Where
- The court of Emperor Wu of Han
- Who
- Sima Qian, Grand Historian; his father Sima Tan; the general Li Ling; Emperor Wu; his friend Ren An
- Outcome
- Sima Qian was punished with castration, lived, and completed a history of 130 chapters and 526,500 characters
A father's unfinished history
The project was not his to begin with. His father, Sima Tan, who died in 110 BC, was Grand Historian before him, an office whose duties, Asia for Educators notes, “were mostly to track astronomical phenomena and to offer interpretations of them to the court.” On the side, Sima Tan had begun a history of the known world. He “did not get very far with his project before he died, exhorting his son, Sima Qian, to complete the task.”
Five thousand foot soldiers
The crisis came from a war on the steppe. In the second year of the Tianhan era, 99 BC, the Han Shu records, the general Li Ling asked to lead a force against the Xiongnu without cavalry: “I wish to strike the many with the few, and cross to the chanyu’s court with five thousand foot soldiers.” Emperor Wu agreed. Li Ling’s force was surrounded, ran out of arrows, and he surrendered with the words, “I have no face to report to Your Majesty.”
Sima Qian, not a close friend of Li Ling according to Asia for Educators, spoke in his defense.
The sentence
The Han Shu’s biography of Li Ling gives the emperor’s reasoning in one line: he held that Sima Qian had misled him, to belittle the campaign of the Ershi general and to plead for Li Ling, “and condemned Qian to castration.”
Sima Qian’s own letter adds what the official record does not. “My family was poor, and my means were not enough to buy my way out,” he wrote to Ren An. “No friend came to my rescue, and those close to me did not say a word.” In the same letter he ranks the disgraces a man can suffer, from the least to the worst, and ends: “the lowest is castration, the extreme.”
Mount Tai or a goose feather
He did not hide what the choice cost him. In the translation published by Asia for Educators, he wrote: “A man has only one death. That death may be as weighty as Mount Tai, or it may be as light as a goose feather. It all depends upon the way he uses it.”
His reason was the book. The draft, he wrote, “was not yet finished when this disaster struck. Grieving that it would not be completed, I submitted to the extreme punishment without showing anger.” If the work could be stored away and passed on, “then I will have paid the debt of my earlier disgrace, and even if I were put to death ten thousand times, what regret would I have?”
130 chapters, 526,500 characters
The finished work is described in its own postface. Sima Qian lists twelve basic annals, ten tables, eight treatises, thirty hereditary houses and seventy biographies: “In all, 130 chapters and 526,500 characters, making the book of the Grand Historian.” It ran, he wrote, “from the Yellow Emperor down to the Taichu era,” the years 104 to 101 BC. One copy was to be “stored in a famous mountain,” with a second in the capital, “to await the sages and gentlemen of later ages.”
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Key facts
- Sima Qian (about 145–86 BC) succeeded his father, Sima Tan, as Grand Historian under Emperor Wu (Asia for Educators).
- In 99 BC the general Li Ling led 5,000 foot soldiers against the Xiongnu, was surrounded and surrendered (Han Shu 54).
- For defending Li Ling, Sima Qian was condemned; the Han Shu records the sentence as castration (Han Shu 54).
- Asia for Educators describes the choice as death or castration; his letter says his family was too poor to buy him out (Han Shu 62).
- The Shiji has 130 chapters and 526,500 characters in five sections (Shiji 130).
FAQ
Why was Sima Qian punished?
He defended the general Li Ling, who had surrendered to the Xiongnu in 99 BC. Emperor Wu held that he had misled the throne, and condemned him.
Why did Sima Qian accept castration instead of death?
To finish his history. In his letter to Ren An he writes that the work was unfinished when disaster struck, and that he submitted to the punishment so that it could be completed.
Could Sima Qian have paid to avoid the punishment?
His letter says he could not: "My family was poor, and my means were not enough to buy my way out," and no friend helped him.
What does "as weighty as Mount Tai" mean?
It comes from his letter: a man has one death, which may be "as weighty as Mount Tai" or "as light as a goose feather," depending on how he uses it.
How long is the Shiji?
By its own count, 130 chapters and 526,500 characters, in twelve basic annals, ten tables, eight treatises, thirty hereditary houses and seventy biographies.
Sources
- Asia for Educators, Columbia University, "Excerpt from Sima Qian's Letter to Ren An," introduction and translation from Sources of Chinese Tradition (1999)
- Ban Gu, Han Shu, chapter 54, biography of Li Guang and Li Ling, Chinese text, Wikisource
- Ban Gu, Han Shu, chapter 62, biography of Sima Qian with the letter to Ren An, Chinese text, Wikisource
- Sima Qian, Shiji, chapter 130, "Postface of the Grand Historian," Chinese text, Wikisource
Cite this article
- APA
- Song Letter. (2026, October 11). Why Sima Qian accepted castration to finish the Shiji. Our Earth's History. https://ourearthshistory.com/east-asia/classical/sima-qian-castration-shiji-han-dynasty/
- Chicago
- Song Letter. “Why Sima Qian accepted castration to finish the Shiji.” Our Earth's History, October 11, 2026. https://ourearthshistory.com/east-asia/classical/sima-qian-castration-shiji-han-dynasty/.
- MLA
- Song Letter. “Why Sima Qian accepted castration to finish the Shiji.” Our Earth's History, 11 Oct. 2026, https://ourearthshistory.com/east-asia/classical/sima-qian-castration-shiji-han-dynasty/.
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