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The production relations of capitalist society approach more and more the production relations of socialist society. But on the other hand, its political and juridical relations established between capitalist society and socialist society a steadily rising wall. This wall is not overthrown, but is on the contrary strengthened and consolidated by the development of social reforms and the course of democracy. Only the hammer blow of revolution, that is to day, the conquest of political power by the proletariat can break down this wall.
— ROSA LUXEMBURG