Leon Trotsky — "The development of a revolution is determined by the fundamental class interests…"

"The permanent revolution, in the Marxian sense, means that the revolution does not stop at the democratic stage but goes over to the socialist stage."

"The working class cannot simply seize the old state machine and use it for its own purposes."

"The dialectic of history is more cunning than the cunning of any individual."

"The history of a revolution is for us first of all the history of the forcible entrance of the masses into the realm of rulership over their own destiny."

"The dialectic is not a magical master key for all questions. It is not an algebra. It is a method of analysis, a method of investigation."