The Art of War examinations. During the Sengoku period (c. 1467–1568), the Japanese "daimyō" named Takeda Shingen (1521–1573) is said to have become almost invincible in all battles without relying on guns, because he studied "The Art of War". The book even gave him the inspiration for his famous battle standard "Fūrinkazan" (Wind, Forest, Fire and Mountain), meaning fast as the wind, silent as a forest, ferocious as fire and immovable as a mountain. The translator Samuel B. Griffith offers a chapter on "Sun Tzu and Mao Tse-Tung" where "The Art of War" is cited as influencing Mao's "On Guerrilla Warfare", "On the Protracted
Sun Tzu stories about Sun Tzu, taken from Sima Qian, illustrates Sun Tzu's temperament as follows: Before hiring Sun Tzu, the King of Wu tested Sun Tzu's skills by commanding him to train a harem of 360 concubines into soldiers. Sun Tzu divided them into two companies, appointing the two concubines most favored by the king as the company commanders. When Sun Tzu first ordered the concubines to face right, they giggled. In response, Sun Tzu said that the general, in this case himself, was responsible for ensuring that soldiers understood the commands given to them. Then, he reiterated the command, and