Luyang Swing: Legend has it that King Wu of Zhou led the princes to conquer the King of Yin, and the flag flew and the battle was very fierce. King Wu of Zhou's subordinate Luyang Gong was very heroic, the enemy was frightened by the wind, Luyang Gong saw that it was late in the day and raised the long ge to the sun, roaring like thunder, the sun retreated three constellations, restored the light,
Finally destroyed the enemy army. See Huainanzi. It is recorded in the Meditations. Later, it was pointed out that it was necessary to turn the tide. Tang Dynasty. Bai Juyi wrote in "The Fourth Way of the Ritual Department's Trial Strategy": "Zou Yan blows the law and the cold valley is warm, Lu Yang swings and the twilight returns to unpredictable why." The human heart is not enough for the snake to swallow the elephant: Ancient legend has a poor hunter named Ah Xiang,
He saved a small snake that was about to starve when he was hunting in the forest, and after carefully raising the small snake, he slowly grew into a green snake, and when he grew up, he even knew human nature, and often brought back many valuable things from outside to repay Ah Xiang. But Ah Xiang was even more greedy and kept asking the green snake, and the angry green snake swallowed the insatiable greedy guy.
See The Classic of Mountains and Seas. It is recorded in the Hai Nei Nan Jing. Later, it is a metaphor for insufficient greed, like a snake trying to devour an elephant. Qu Yuan wrote in the Heavenly Question: "How big is it that a snake swallows an elephant?" clear. Zhai Hao wrote in Popular Edition. "Birds and Fish" reads: "The human heart is not enough for the snake to swallow the elephant, and the world is full of mantis catching cicadas."