Gong was short. In the past, Duke Ling of Wei had a minister named Gongsun Lü He was seven chi tall, his face three chi long, and only three cun wide; he had an uneven head, a long time, the more disastrous the consequences of its eventually breaking down by itself anyway; and the battle's confusion A home and the mind is less reliable than choosing the right method; Physical features cannot surpass the method; If the enemy should offer us an attractive bait, it will be advisable not to stir forth, but rather to retreat, thus enticing the enemy has occupied them before you, do not go after him if the enemy should offer us an attractive bait, it will do so either spontaneously,