[茅元仪曰:先秦之言兵者六家,前孙子者,孙子不遗;后孙子者,不能遗孙子。] 9NgkejKA5bXUJF0J0cf7+fEMOKPp/IWfXVd4H8ZztHCqrhFy0xW4An5kjLQ3lPb4