毛主席说:“阶级斗争、生产斗争和科学实验,是建设社会主义强大国家的三项伟大革命运动……。”我们深深体会到,搞社会主义革命和社会主义建设,必须把阶级斗争、生产斗争、科学实验三者紧密结合起来。只搞生产斗争、科学实验,而不抓阶级斗争,人的精神面貌不能振奋,还是搞不好生产斗争和科学实验;只搞阶级斗争,不搞科学实验,行吗?只搞阶级斗争, Chairman Mao said: “Class struggle, the struggle for production and scientific experiments are the three great revolutionary campaigns for building a powerful socialist country.” "We have come to realize that in the process of building the socialist revolution and building socialism, we must classify the classes Struggle, the struggle for production and the scientific experiment are all closely linked together. Only by engaging in the struggle for production and scientific experiments, instead of grasping the class struggle, can the people’s mental outlook not be exhilarated, or can they not engage in productive struggle and scientific experiments? Only engage in class struggle and do not engage in scientific experiments. Only engage in class struggle,