革命和建设要靠正确路线,而正确路线来源于用马克思列宁主义对国情特别是社会主要矛盾的正确分析和判断。对社会主要矛盾的判断错了,据此制定的路线也必然错误,革命和建设就要遭到挫折和失败。毛泽东同志讲过:“在复杂的事物的发展过程中,有许多的矛盾存在,其中必有一种是主要的矛盾,由于它的存在和发展,规定或影响着其他矛盾的 The correct line must be relied on for revolution and construction, and the correct line derives from the correct analysis and judgment of Marxism-Leninism on the national conditions, especially the major social conflicts. The judgment on the major social contradictions is wrong. The route formulated according to it is also inevitably wrong, and the revolution and construction will suffer setbacks and failures. Comrade Mao Zedong once said: ”There are many contradictions in the development of complex things. One of them is the major contradiction. Because of its existence and development, it stipulates or affects other contradictions