dbd994a8_kipedia__the_free_encyclopedia__Title
[Chapter] 33 [Number of quotations] 16 [Summary] It is the responsibility of all to cultivate themselves, and study Marxism–Leninism deeply. It is also necessary for people to turn their attention to contemporary problems, along empirical lines. [Title] 
Study
Quotations from Chairman Mao Tse-tung - Wikipedia, the free encyclopedia