The last sentence of "The Knot of the World" is: honest man. Honesty is the key to the world code of conduct. From Guanzi Yan Shu, Guanzi Yan Shu is an essay written by Guan Zhong, a strategist in the Spring and Autumn Period.

Guanzi is a collection of Guan Zhong's works highly praised by Taoism in Xia Ji, that is, Guanzi School, which is regarded as the study of Xia Ji. Han Shu, Zhi put it in the category of Taoism, Annals of Classics of Sui Shu put it in the category of Legalism, and Sikuquanshu put it in the category of Legalism. This book is large in length, complex in content and rich in ideas. It is an important classic to study China's academic and cultural thoughts in ancient times, especially in the pre-Qin period.