Core of the Sage.

Summary

Du Yu elaborated on the history of the Qin Kingdom, showcasing its rise through the annihilation of neighboring states, driven by Legalist philosophy. While Qin Di admired Du Yu's eloquence, Zhang Yi criticized him for flattery. Du Yu shifted the narrative to highlight the Qin's arrogance and the brutal suppression of scholars by Legalists, emphasizing the devastating consequences of their ideology. Despite the Qin's military successes, Du Yu warned against complacency, revealing military secrets through his "Treatise on Qin," which resonated deeply with the populace. His words transformed into a rallying cry for the people, elevating him beyond mere accusations of espionage.

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