This sentence comes from "The Art of War" written by Sun Wu during the Spring and Autumn Period and the Warring States Period.

Original text: Those who do not rejoice in victory, do not panic in defeat, have thunder in their chests and faces as flat as a lake, can worship the general.

Translation: Don’t be too happy if you win; don’t be too discouraged if you lose. A person who has great ambitions but does not show his expression can achieve great things, so he can be called a general.

"Hanshu Yiwenzhi" records: "The military power planner Wu Sun Tzu's Art of War has eighty-two chapters and nine volumes of pictures." Thirteen of the eighty-two chapters were written before the meeting with the King of Wu; many more were written for questions and answers after the meeting with the Queen of Wu. This sentence came out after that.

Extended information:

As early as the Warring States Period, "Sun Tzu's Art of War" was widely circulated. "Han Feizi·Wuzhe" says: "Everyone in the territory talks about soldiers, and those who have collected the books of Sun and Wu have them." Among them, Sun refers to Sun Wu and Sun Bin, and Wu refers to Wu Qi.

The fact that Sun Wu and Sun Bin each had their own people in history, and each had their own military techniques handed down from generation to generation, is entirely due to the bamboo slips unearthed from the Western Han Dynasty tomb in Yinqueshan, Linyi County, Shandong Province in 1972. This is a study of "Sun Tzu" A major breakthrough in The Art of War. This batch of precious fragments is the oldest existing version of "Sun Tzu's Art of War" and can be called "the ancestor of Sun Tzu's Art of War".

During the Three Kingdoms period, the military strategist who played a historically important role in commenting on "Sun Tzu" was Cao Cao. He once said: "I have written many war strategies, and Sun Tzu's works are profound." Zhuge Liang, the Prime Minister of Shu, also said: "War is not Sun Wu's plan, and there is no way to plan ahead." They have a far-sighted strategy for "Sun Tzu's Art of War" It is highly respected.