Season 1 · Episode 31 · 9 min read
Li Si Rises From Minor Clerk to Qin Chancellor
Li Si's rise begins with a lowly clerk who sees the age clearly, then forces his way toward the center of power.
In the last episode, Yiren was pushed from overlooked hostage to king of Qin.
Zhuangxiang's reign was short, but it brought Lü Buwei into the center of Qin politics and opened the way for a younger, more ambitious age.
Among Lü Buwei's many retainers, one man would climb especially high.
His name was Li Si.
What Truly Shocked Li Si Was Not Poverty but the Difference Between Two Kinds of Rats
Li Si was a man of Chu.
In his early years he was only a minor local clerk, handling documents and records in a small office. In calmer times, that kind of post might have fed him for life. But the late Warring States was not an age that rewarded staying quiet in one corner.
The story later told about him begins in a granary.
There he saw fat rats eating state grain, unafraid of people. Then he thought of the thin, frightened rats in the latrine, always darting away in panic.
The lesson struck him hard.
The difference, he realized, was not that one kind of rat was born better. It was that they stood in different places.
That was the cold truth he took from the age.
Ability alone did not lift a man. First he had to get himself into the place where rising was even possible.
Li Si no longer wanted to be a rat in the latrine.
He wanted to enter the biggest granary in the world.
He Left Chu Not for Learning Alone but to Find a Larger Road Upward
Once he made up his mind, Li Si left his petty post and went out to study.
He eventually entered the circle of Xunzi. Xunzi was a great Confucian thinker, but his teaching differed sharply from the gentler line associated with Mencius. He spoke of desire, of order imposed by institutions, and of rule maintained through ritual and law.
Li Si was drawn to that immediately.
He was never trying to become a lofty moral talker. He wanted ideas that could actually govern a state, seize power, and change a man's fate.
When his studies were done, he did not return to Chu.
He judged the great states with a cold eye. Chu was still large, but already losing shape. Qin, by contrast, was still climbing and looked more likely than any rival to swallow the others.
For a man who wanted to rise, Qin was the most dangerous choice.
It was also the best one.
So Li Si went west to Xianyang and wagered his future on Qin.
When Li Si Arrived in Qin, the Court Was Being Reshuffled
By the time he reached Qin, the political order had changed again.
King Zhuangxiang had died, and the thirteen-year-old Ying Zheng had taken the throne. The young king could not yet rule alone. Real authority largely rested in the hands of Lü Buwei.
That created both an opening and a barrier.
If an outsider could not enter Lü Buwei's gate, he would never truly reach the Qin court's center.
Li Si therefore went first to Lü Buwei.
He could speak, write, and most importantly turn learning into arguments about advantage. Lü Buwei heard him and knew at once that this was no ordinary dependent. He kept Li Si in his household and gradually helped him forward into public office.
That was how Li Si first received his ticket into the machinery of Qin politics.
More importantly, he came into contact with Ying Zheng.
Li Si did not advise the young king to preserve what he had inherited. He spoke instead of unifying the realm. The Eastern Zhou was gone, the six states were weakening, and if Qin failed to move now, it would be wasting a chance heaven itself had opened.
Those words went straight into Ying Zheng's heart.
From that point, Li Si's standing began to rise quickly.
Li Si Told Qin to Win Not Only on the Battlefield but in Other States' Courts
He did not stop at broad slogans.
Li Si also laid out a harsher method. Qin should not rely only on armies in the field. It should draw in useful men from the other states with money and advantage. Those who could not be drawn in should be suppressed or removed.
In other words, Qin should weaken its enemies before battle by stripping them of the people who made them dangerous.
Ying Zheng liked this way of thinking.
Li Si was promoted to keqing, a high-ranking guest official. Only then did he truly become a man who could speak near the king and be heard.
Qin's Order to Expel Foreigners Nearly Ended Him and Instead Made Him Stronger
Yet his footing was not secure for long.
The state of Han sent the engineer Zheng Guo into Qin with a canal project meant partly to drain Qin's strength. When the scheme was exposed, the Qin court erupted. Old Qin nobles seized the chance to say that foreign guest ministers could never be trusted and should all be driven out.
Ying Zheng was persuaded for a time.
He issued the order to expel them.
Li Si himself was on the list.
At that moment, he did not simply submit to ruin. He wrote the famous "Memorial Against Expelling Guest Officers."
The power of that piece lay not in lofty morality, but in calculation.
Li Si reminded the king that many of the men who had made Qin strong were not native Qin men at all. Baili Xi, Shang Yang, Zhang Yi, Fan Ju, Lü Buwei. If Qin rejected ability because it came from outside, then Qin would be cutting off its own most useful limbs.
He pushed the argument further.
Qin wanted to conquer the world. It eagerly accepted other states' goods, treasure, and opportunities. How could it dream of taking all under heaven while refusing to employ the men of all under heaven?
Ying Zheng read the memorial and changed course at once.
Li Si was recalled and used again.
That turn mattered greatly. From then on, Li Si was no longer merely a sharp-tongued adviser. He became a man whose writing and judgment could alter state policy directly.
He also pushed even harder for Qin to keep pulling talent in from across the realm.
That line naturally helped him as well. Since he himself was a man of Chu, every expansion of the "foreign talent" camp strengthened his own position.
Li Si's Dangerous Talent Was Not Only Self-Preservation but Removing Future Threats Early
After his return, Li Si rose higher and higher.
But no court leaves only one clever man standing forever.
Soon another name appeared:
Han Fei.
Han Fei had also studied under Xunzi. In theory and writing, he may have been even stronger than Li Si. He was of the Han royal house, and Ying Zheng admired his writings so much that Qin even pressured Han into sending him west.
That made Han Fei a real threat.
He was not just a scholar with a fine reputation. Ying Zheng felt that Han Fei's thoughts on law and centralized rule matched his own deepest aims. Even though Han Fei was not a great speaker in person, the king continued to value his writing and draw him close.
Li Si saw the danger clearly.
He had spent years securing his place. If someone the king admired even more entered the circle, his own position might not survive.
So he moved first.
He told Ying Zheng that Li Si himself had reason to give everything to Qin, since Chu had long held him down. Han Fei was different. Han Fei belonged to the royal line of Han. Could such a man sincerely plan Han's destruction for Qin?
That argument hit the king's suspicions exactly where they were weakest.
Han Fei was imprisoned and died in Qin.
Later generations have never found it difficult to see Li Si's shadow there.
With that, Li Si did more than win a political struggle.
He erased the most formidable fellow student on the board.
Once Li Si Was Secure, Qin Moved More Firmly Toward Using the Talent of the Whole Realm
After Han Fei's death, Qin depended even more heavily on Li Si for writing, law, and policy.
He would go on to become tingwei, the chief judicial official, and later climb to the chancellorship. He was not a battlefield hero and not a prince of famous blood. He rose because he read the times correctly, bet on the right state, and moved in rhythm with power.
He did cruel things on the way up.
But he also saw one basic truth with unusual clarity.
Qin could not finish off the six states by relying only on old Qin elites. It had to gather the most useful people, institutions, and methods from across the realm and make them its own.
That became one of the deep logics beneath Qin's unification.
Li Si's story is therefore more than a simple rise from obscurity.
It shows what late Warring States politics had become. In a world where the old order was breaking apart, the men who reached the highest places were often not the kindest men, but the ones who read the situation first, wagered hardest, and struck without hesitation.
Li Si was one of their clearest representatives.
Next Episode
With Li Si tightening Qin's court and institutions, the machine of conquest was accelerating.
But empires are not taken on paper alone. Qin's next great obstacle still stood in Zhao, where another man named Li would make Qin's armies suffer badly.
To remove that obstacle, Qin would soon use one of its darkest and most effective tools.