Which ancient book does the story of carving a boat for a sword come from?

Carving a boat for a sword is from Lv Chunqiu's Tea Classic.

The Book of Tea is an article written by followers of Lv Buwei during the Warring States Period. This paper expounds the truth that we should judge the situation and adapt it to the times, and should not stick to the ancient law. Explain to the rulers of Qin dynasty from the viewpoint of development that the formulation of laws and regulations should proceed from the social reality at that time and keep pace with the times with the changes of the objective situation.

Lu's Spring and Autumn Annals, also known as Lu Lan, is a masterpiece compiled by scholars under the auspices of Premier Qin. This book was written on the eve of Qin Shihuang's unification of China. This book is based on "Tao", with the ideological theories of famous artists, legalists, Confucianism, Mohism, peasants, military strategists, Yin and Yang as the material, and integrates the theories of a hundred schools of thought in one furnace. Lv Buwei wanted to take this as the ideology after the unification of Daqin.

However, the ruling Qin Shihuang later chose Legalism, which frustrated hundred schools of thought, including Confucianism. Lu's Spring and Autumn Annals is a masterpiece of hundred schools of thought in the pre-Qin period and a masterpiece of sages at the end of the Warring States Period. The book is divided into 26 volumes, 160 articles, with more than 200,000 words.

What does "carving a boat for a sword" tell us?

There was a man crossing a river in Chu, and his sword fell from the boat into the water. He made a mark on the side of the ship with his sword and said, "This is where my sword fell." . The ship stopped at the destination, and the Chu people jumped into the water from the marked place to find the sword. The ship has sailed, but the sword has not moved. Isn't it very confusing to look for the sword like this?

Tell us not to stick to the rules, not to stick to the rules, to always pay attention to the changed objective situation and actively respond to the changed situation. We should look at food from a developmental perspective, change with the changes of things, change the methods of solving problems, and don't stick to dogma, otherwise we will accomplish nothing. At the same time, it also warns people not to look at the problem in a dull and static way.