"The 'dictatorship of the proletariat,' to use Marx's term, is the only possible form of transition from capitalism to communism."

"We must be able to withstand everything, to agree to any and every sacrifice, and even — if need be — to resort to all sorts of strategems, manoeuvres and illegal methods, to evasion and concealment o…"

"We don’t believe in eternal morality."

"The bourgeoisie has nothing to lose but its chains. It has a world to win."

"War is a continuation of policy by other means."