Sun Tzu and dated his lifetime to 544–496 BC. Modern scholars accepting his historicity nonetheless place the existing text of "The Art of War" in the later Warring States period based upon its style of composition and its descriptions of warfare. Traditional accounts state that the general's descendant Sun Bin also wrote a treatise on military tactics, also titled "The Art of War". Since both Sun Wu and Sun Bin were referred to as Sun Tzu in classical Chinese texts, some historians believed them identical prior to the rediscovery of Sun Bin's treatise in 1972. Sun Tzu's work has been praised and
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