"Laozi": "Everything in the world returns to its roots." Ge Hong of the Jin Dynasty "Baopuzi Yimin": "All things in the world turn into dust." Sima Guang of the Song Dynasty " The poem "Return to Chen Diancheng's Theory of the Original Man": "There is a lot of valuable things in Taixu, I wonder who killed Honglu?" The Qing Dynasty Gong Zizhen's poem "Begging for Buying and Baoyang": "The common people are so rich, the emperor's life is so poor.
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