Mao: What is the purpose of our work?
The troops: For Communism! To serve the people!
Mao: You are all engaged in security work. Now I’d like to give you the extra
assignment of taking literacy courses. Do you accept it?
The troops: Yes!
Source: Quoted in the article “Chairman Mao Cares About the Security Guards
Studying to Become Literate” published in the People’s Daily of May 23, 1960.