《孙子兵法》指出;“是故政举之日,夷关折符,无通其使,厉于廊庙之上,以诛其事。敌人开闺,必亟入之。先其所爱,徽与之期。践墨随敌,以决战事。”意思是:当决定战争行动的时候,就要夷塞关口,废除通行凭证,停止与敌人的使节往来,在廊庙上反复计议,研 “The Art of War” points out that “” is the day when the old government raised it, and it has no barriers to it, and it is not enough to make it easier to liberate it from the gallery, so that the enemy will open up. “In the period of the emblem, the ink is affiliated with the enemy and the battle is decided.” The meaning is: When deciding on the war, you must evade the pass, abolish pass-by vouchers, and stop communicating with the envoys of the enemy. Repeat the discussion on the gallery.