Sun Tzu have been available to Sun Wu. Additionally, there are no records of professional generals during the Spring and Autumn period; these are only extant from the Warring States period, so there is doubt as to Sun Tzu's rank and generalship. This caused much confusion as to when "The Art of War" was actually written. The first traditional view is that it was written in 512 BC by the historical Sun Wu, active in the last years of the Spring and Autumn period (c. 722–481 BC). A second view, held by scholars such as Samuel Griffith, places "The Art of War"
Sun Tzu again the concubines giggled. Sun Tzu then ordered the execution of the king's two favored concubines, to the king's protests. He explained that if the general's soldiers understood their commands but did not obey, it was the fault of the officers. Sun Tzu also said that, once a general was appointed, it was his duty to carry out his mission, even if the king protested. After both concubines were killed, new officers were chosen to replace them. Afterwards, both companies, now well aware of the costs of further frivolity, performed their maneuvers flawlessly. Sima Qian claimed that Sun Tzu later