Sun Tzu and the more primitive small-scale battles that many believe predominated in China during the 6th century BC. Against this, Sawyer argues that the teachings of Sun Wu were probably taught to succeeding generations in his family or a small school of disciples, which eventually included Sun Bin. These descendants or students may have revised or expanded upon certain points in the original text. Skeptics who identify issues with the traditionalist view point to possible anachronisms in "The Art of War" including terms, technology (such as anachronistic crossbows and the unmentioned cavalry), philosophical ideas, events, and military techniques that should not
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".