The Manifesto produced for what? Why did The Manifesto have a strong vitality through time and space? What’s on earth the basic idea of The Manifesto? What are the methodological implications of historical materialism? Why is inevitable demise of the bourgeoisie? Why is capitalism not dying so far? Why is the proletarian victory inevitable? How do you view the great setbacks in socialist experience? What kind of society is “the union of free people”? Is communism a castle in the air? What kind of political organization is the Communist Party? How does the Communist Party of China make itself stronger? How to understand the theory of class struggle in The Manifesto? Is Marx’s theory of class analysis obsolete? How does Marx view world history? Why is the world’s historical development trend irreversible? What are the basic principles of scientific socialism? Why does socialism with Chinese characteristics belong to scientific socialism? Why are there seven prefaces in The Manifesto? Why is the preface very precious?