"The masses must be taught to understand the necessity of revolution."

"The working class has no country."

"Pravda is a terrible word. It is a good word, but it is a terrible word. It means truth. And there is no truth."

"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…"

"Capitalists are no more capable of self-sacrifice than a man is capable of lifting himself up by his own bootstraps."