"not by abstract speculations on the possibility or impossibility, the utility or the injuriousness of the mass strike, … but

"not by abstract speculations on the possibility or impossibility, the utility or the injuriousness of the mass strike, … but only by objective investigation of the sources …” Rosa Luxemburg so powerful
marxists.org/archive/luxemb… https://t.co/ZMKuvBwl4f

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