Mao Xuan's original text about "a vast world can make a big difference" is: the countryside is a vast world, where you can make a big difference. This is Chairman Mao's slogan and instruction. He said that the countryside is a vast world and there is much to be done in the countryside. It is necessary for educated youth to go to the countryside and receive re-education from poor middle peasants. At that time, the China government organized a large number of educated youth from cities to leave the cities and settle and work in the countryside.

The work of educated youth going to the countryside is a way for the CPC Central Committee to explore employment in combination with the national conditions, and the educated youth's thoughts are relatively stable. From the autumn of 1962 to the summer of 1966, there were1290,000 educated youth in four years, which adapted to the requirements of the general policy of developing the national economy, reduced the urban population and supported agricultural production and frontier construction. Some of these educated youths actively responded to the call of the party and the state, gave up the opportunity of further studies and employment, and decided to engage in rural and frontier construction.

Extended data:

In the mid-1950s, it was impossible for the state to completely solve the employment problem in cities. Some primary and secondary school graduates living in cities have encountered some difficulties in finding jobs, but the agricultural production capacity of primary and secondary school graduates is huge, and the national cooperative accounting needs millions of people. Therefore, Mao Zedong called for middle school students and primary school graduates to participate in the annotation of "Socialist Boom in Rural China" in September 1955. Such intellectuals, who can go to work in the countryside, should be happy to go. The countryside is a vast world with great potential.

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