Explanation of Five Birds and Six Swallows
The quote comes from "Nine Chapters of Arithmetic Equations": "Now there are five birds and six swallows. They are collectively called the balance. All the birds are heavy and all the swallows are light." , a bird and a swallow are placed next to each other, and the balance is equal." Later, it is used to describe the two being of equal weight. For example: five birds and six swallows are called two bahts. Also pronounced as "Five Birds". The poem "Crying Wang Wenduanshi" by Zhao Yi of the Qing Dynasty: "Yi Hongjing distinguishes, and five birds determine the balance."
Word analysis
For the explanation of five birds, see "Five Birds and Six Swallows" . The explanation of Six Swallows in "Nine Chapters of Arithmetic Equations": "Today there are five birds and six swallows collectively called a balance: all birds are heavy, all swallows are light; one bird and one swallow are placed next to each other, the balance is appropriate; the combined weight of the swallows is one pound." "How much does a sparrow weigh?" Because "six swallows" are used as a metaphor. Lu Dian of the Song Dynasty wrote in "Xie Quan Li Bu Shangshu Biao": "I hope that the government will be governed by the Qing Dynasty and all talents will be used up.