4 April marks the 23th World Book Day. General Secretary Xi Jinping's "biggest hobby is reading" and also asked leading cadres to "love reading, read well, and read well" Xi Jinping not only attaches great importance to the study of Marxist-Leninist works, but also publishes many research papers.

Xi Jinping suggested reading some basic works of Marxist philosophy, mastering the scientific world outlook and methodology, and constantly enhancing the principled, systematic, predictable and creative nature of work.