Core of the Sage.

Summary

Du Yu, while writing for his military lesson, reflects on the strategic challenges facing the Middle Tang. He aims to excel in his examinations, needing at least three "A" grades. As he pens down his thoughts, he creatively applies military theory, utilizing insights from Sun Zi's Art of War. He tackles various mathematical problems swiftly, demonstrating his sharp intellect. Despite exhaustion, he successfully answers complex equations, unaware of the divine repercussions of his brilliance. As he concludes his work, he becomes wary of Niu Da's approach, feeling the pressure to conceal his talents and ambitions.

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