"The working class must unite, or it will perish."

"The permanent revolution, in the Marxian sense, means that the complete, decisive, and radical solution of the tasks of the democratic revolution is conceivable only through the dictatorship of the pr…"

"The proletariat must be armed."

"The proletariat must seize power and smash the old state machine."

"Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies."