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1 refers to the four directions of southeast and northwest.

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"The Book of Rites Shoots Righteousness": "beginning of life, Sang Arc Six, shoots heaven and earth."

Don? Han Yu's "Ji Min Fu": "I don't know the four directions."

The sixth chapter of the Water Margin: "There are dozens of fires in the air, and the four sides don't distinguish."

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2. The world; It's everywhere.

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Hou Yi: "After that, I ordered the four directions."

"Huai Nan Zi Yuan Tao Xun": "The second emperor of Taigu got the handle of Tao, stood in the center, walked with God, and comforted the four sides." Gao: "Fu, I also. The quartet is called the world. "

"The Book of the New Tang Dynasty Tubo Biography": "Your Majesty will pacify the four sides, and the sun and the moon will shine on it, and I will rule it."

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3, refers to the country of the quartet governors.

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"Poetry, elegance and Wu Xia": "Thank God, the four sides come to congratulate." Confucius' Ying Da Shu: "The king of Wu is blessed by heaven, so the countries of the four kings are all dedicated to celebration."

"The Analects of Confucius Lutz": "Confucius said:' Recite 300 poems and teach them to be political, which is unattainable; If you use it in all directions, you can't specialize. Although a lot, but you still think! " "

"Zuo Zhuan Xiang Gong Twenty-six Years": "There are many lewd punishments in Chu today, and his doctor fled and died in all directions, which is hopeless for his work."

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4. It refers to areas outside Beijing.

"The Story of Dongguanhan Ji Ma Liao": "Chang' an language says:' The city is so high that it is one foot high; The city is full of eyebrows, with a half forehead; There are many sleeves in the city and silk is used on all sides. ”"

5. refers to the god of the quartet.

"Book of Rites under Quli": "The son of heaven worships heaven and earth, four places, mountains and rivers, five sacrifices, four years old." Zheng Xuan's note: "Sacrificing the four places means sacrificing the gods of the five senses in the suburbs.

Ju Mang is in the east, Zhu Rong and Houtu in the south, Ru Shou in the west and Xuanming in the north. "History of rites and music in Han Dynasty": "With practice, I hope that Hou will spread to all directions." Yan Shigu's Note: "The Quartet is also the God of the Quartet."

6. refers to a square or cube.

The fifteenth time in Legend of Heroes of Children: "The bad brother has lived here for seventy years and has never seen the hero. He has a square head and a dull head. " Such as: square table; Square box.