1. The first sentence of Chairman Mao’s quotations is: The Communist Party of China: The core force leading our cause is the Communist Party of China. The theoretical basis that guides our thinking is Marxism-Leninism.

2. Chairman Mao's Quotations:

"Chairman Mao's Quotations" is a selected collection of Chairman Mao's famous sayings edited and published in the early 1960s, which has become popular all over the country and even the world. With a volume of 5 billion copies, it ranks second in the world. Because the most popular version was packaged in a red cover and contained classic remarks by red leaders, the special period was widely known as the "Little Red Book."

3. Issuance background:

After the Lushan Conference in 1959, Lin Biao replaced Peng Dehuai in presiding over the work of the Central Military Commission, and he touted "Chairman Mao's Thoughts as the pinnacle of contemporary Marxism-Leninism" and promoted Studying Chairman Mao's works is a "shortcut" to learning Marxism-Leninism. It introduces the learning method of "learning with questions, learning and applying, combining learning with application, learning when you need it first, getting immediate results, and working hard on the word 'use'". Under Lin Biao's advocacy and the military's leadership, the country quickly set off a craze for "learning and applying Chairman Mao's Thoughts."