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
What Is Art? to justify their own tastes. Jahn notes the "often confusing use of categorisation" and the lack of definition of the key concept of emotion. Bayley writes that "the effectiveness of "What is Art?" lies not so much in its positive assertions as in its rejection of much that was taken for granted in the aesthetic theories of the time". Noyes criticises Tolstoy's dismissal of beauty, but states that, "despite its shortcomings", "What is Art?" "may be pronounced the most stimulating critical work of our time". Simmons mentions the "occasional brilliant passages" along with the "repetition, awkward language, and loose terminology".