Sun Tzu dynasty bibliographies noted the latter publication as extant and written by a descendant of Sun, it had previously been lost. The rediscovery of Sun Bin's work is regarded as extremely important by scholars, both because of Sun Bin's relationship to Sun Tzu and because of the work's addition to the body of military thought in Chinese late antiquity. The discovery as a whole significantly expanded the body of surviving Warring States military theory. Sun Bin's treatise is the only known military text surviving from the Warring States period discovered in the twentieth century and bears the closest similarity to "The
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