Sun Tzu proved on the battlefield that his theories were effective (for example, at the Battle of Boju), that he had a successful military career, and that he wrote "The Art of War" based on his tested expertise. However, the "Zuozhuan", a historical text written centuries earlier than the "Shiji", provides a much more detailed account of the Battle of Boju, but does not mention Sun Tzu at all. Beginning around the 12th century, some scholars began to doubt the historical existence of Sun Tzu, primarily on the grounds that he is not mentioned in the historical classic "Zuo zhuan", which mentions
The Book of the New Sun Thought". In order to communicate, Ascians must memorize many quotations. This government regulation of language directly regulates the thought of Ascians. Some examples include: The Book of the New Sun The Book of the New Sun (1980 – 1983) is a series of four science fantasy novels or one four-volume novel written by American author Gene Wolfe. Alternatively, it is a series comprising the original tetralogy, a 1983 collection of essays, and a 1987 sequel. Either way, it inaugurated the so-called "Solar Cycle" that Wolfe continued after 1987 by setting other multi-volume works in the same universe. Gene Wolfe had