" The present communist movement needs to assimilate its past, to fully grasp what really happened in 1917-21 and how today differs from yesterday. Communist revolution will not promote a further development of production: capital has already accomplished this in a large number of countries. The transitional phase will consist of the immediate communisation of society, which includes armed insurrection: the State's military might cannot be underestimated. Besides, the working class has become such a potential social force that it is vital for capitalism to control it: this is the job of the unions and workers' parties, so one must prepare to confront them. "

― , The Eclipse and Re-Emergence of the Communist Movement