1936年9月间,毛泽东分别给国民党甘肃绥靖公署主任朱绍良与甘肃省主席于学忠写信,倡导“停止内战,共同抗日”。 毛泽东给朱绍良的信上说:“十年酣战,随处与先生相遇,可谓大有缘矣！然鹬蚌相持,渔人伺于其侧,为鹬蚌者不亦危乎?附上共产党致国民党书,为国家民族谋,亦为先生 In September 1936, Mao Zedong wrote letters respectively to Zhu Xueliang, director of Gansu Pacification Administration Office of the Kuomintang and Yu Xuezhong, chairman of Gansu Province, advocating “ending the civil war and jointly fighting Japan.” Mao Tse-tung said to Zhu Shaoliang’s letter: "Ten years of pitched battles and encounters with Mr. everywhere can be described as great successors. However, when the fisherman is on its side and the fisherman is on his side, , For the national race, also for the husband