Fan Ju: Prime Minister of Qin, Marquis of Ying, and the Strategic Turning Point in Zizhi Tongjian

Brief Introduction
Fan Ju (pronounced jū, c. 320–255 BC) was a native of the State of Wei during the Warring States period. He later entered the State of Qin as Prime Minister and was titled the Marquis of Ying. As a key politician during the reign of King Zhaoxiang of Qin, he not only transformed Qin's diplomatic and military strategies but also profoundly influenced the power structure of the late Warring States period. In Sima Guang's Zizhi Tongjian (Comprehensive Mirror in Aid of Governance), Fan Ju's rise is regarded as a critical turning point for Qin's path toward unification. His life story is a key case study for understanding the political ecology of the late Warring States period.

Core Knowledge Points
1. Core Strategy: "Befriend the Distant, Attack the Near"
Fan Ju addressed the flaw in Qin's previous approach of "crossing states to treat distant ones as borderlands" by formally proposing the strategy of "Befriend the Distant, Attack the Near." He advocated for allying with distant states (such as Qi and Chu) while prioritizing attacks on neighboring states (such as Han and Wei). This policy allowed Qin to steadily encroach upon surrounding territories, avoiding logistical crises caused by overextended supply lines, and laid a solid theoretical foundation for the subsequent unification of the six states.
2. Political Maneuvers: Deposing the Queen Mother and Exiling Marquis Rong
After entering Qin, Fan Ju keenly perceived that King Zhaoxiang was constrained by his mother, Queen Dowager Xuan, and his uncle, Marquis Rong (Wei Ran). He strongly advised the King to reclaim royal power, pointing out that "Qin's land is vast and its military strength is formidable, yet it has not unified the world because ministers hold excessive power." He successfully facilitated the deposition of the Queen Mother and the exile of Marquis Rong, establishing a political order of royal supremacy and resolving the long-standing issue of ministerial interference in Qin.
3. Personal Experience: From Wei Refugee to Prime Minister
In his early years, Fan Ju offended the Prime Minister of Wei, Xu Jia, and was tortured to near death. He later changed his name to Zhang Lu and fled to Qin. Through the introduction of Wang Ji, he was able to meet King Zhaoxiang. Relying on his exceptional eloquence and strategic acumen, he quickly gained重用 (significant trust and employment), reflecting the era's characteristic where the "Shi" (scholar-knight) class could change their fate through talent.

*Connection to Zizhi Tongjian Content*
In the Zizhi Tongjian · Zhou Records, Sima Guang detailed the dialogue between Fan Ju and King Zhaoxiang. The book does not merely list events; instead, through Fan Ju's voice, it analyzes the political crisis regarding the balance of power between the ruler and ministers in Qin. Sima Guang used Fan Ju's case to emphasize the decisive role of monarchical centralization and correct strategy in the rise and fall of a nation. The text records Fan Ju pointing out that the reason Qin could not swallow the world was due to the monopoly of power by figures like Marquis Rong, leading to a situation of "ruler weak, ministers strong." This discussion became a classic case for understanding the Warring States political ecology. Through this record, Sima Guang warned future monarchs to be wary of powerful ministers while affirming the core status of correct strategic policies in wars of unification. Fan Ju's remarks are placed at a key node in the book where Qin moves from division toward unification, highlighting his historical status as a "national strategist."

Historical Impact
Fan Ju's life is a typical example of a Warring States scholar changing their fate through talent. His image in Zizhi Tongjian is not merely that of a strategist, but as a key driver in the rise of the Qin Empire. His strategy of "Befriend the Distant, Attack the Near" remains an important reference in international relations studies today, demonstrating the profound influence of ancient geopolitical wisdom.