[原文]共患易,共利难。患者人之所同畏也,利者人之所同欲也。同其畏心,其势必合;同其欲心,其势必争。自古及今,变亲为疏,变恩为怨,鲜不以共利者。吁,亦难矣!吾观三国之克许,何以善处功利之间也!当伐许之际,先登者郑之大夫,而齐鲁之大夫无与焉;毕登者郑之师,而齐鲁之师无与焉。是则克许之功,独出于郑,以许归郑,固其所也。然恒人之情,战则避患而居后,胜则争利而居前,不惭 [Original] Comorbidities, total dilemma. Patients fear the same people, those who benefit the same person also. With its fear, it is bound together; with its desire, its bound to fight. Since ancient times and today, changing their relatives to sparse, grateful for the resentment, not to benefit the common people. When we cut Xu, the first ascendant Zheng doctor, and the Qilu doctor without Yan; Bi Deng Zheng division, and Qilu The division without Yan. Is grams of power, only in Zheng, Xu Cheng Zheng, solid also. However, the feelings of the Hengren, the war to avoid the dilemma, the victory is to compete in front, not ashamed