Trust and rely on the masses; trust and rely on the PLA; trust and rely on the majority of the cadres. - Mao Zedong

Trust the majority of the cadres and the masses. This is essential.

Who are our enemies and who are our friends? This is the first and foremost question of a revolution and it is also the first and foremost question of the great Cultural Revolution.

All contradictory things are interconnected; not only do they coexist in a single entity in given conditions, but in other given conditions, they also transform themselves into each other. This is the full meaning of the identity of opposites. This is what Lenin meant when he discussed "how they happen to be (how they become) identical--under what conditions they are identical, transforming themselves into one another".

什么是知识？自从有阶级的社会存在以来，世界上的知识只有两门，一门叫做生产斗争知识，一门叫做阶级斗争知识。自然科学、社会科学，就是这两门知识的结晶，哲学则是关于自然知识和社会知识的概括和总结。