The main content of the education of the Four Cardinal Principles is to make the educated understand that "only socialism can save China". This is/kloc-the conclusion reached by the people of China in their revolutionary struggle for more than 0/00 years. It is also the most basic historical experience since the founding of the People's Republic of China. The socialist economy is based on public ownership, and socialist production is to meet the needs of people's growing material and cultural life. This is the incomparable superiority of the socialist system. The development and perfection of the socialist system is a long-term historical process, which requires us to fight against all activities that undermine socialism on the premise of adhering to the socialist road; Introduce advanced science and technology and useful things from capitalist countries in a planned and selective way, and resist and overcome all kinds of decadent ideas of the bourgeoisie and all exploiting classes. Adhering to the socialist road is the fundamental direction to realize socialist modernization.