r and theoretician of the party, Jogiches complimented her as the organizer of the party. The two developed an intense personal and political relationship throughout the rest of their lives. Luxemburg left Zrich for Berlin in 1898, and joined the German Social Democratic Labour Party. Quickly after joining the party, Luxemburg's most vibrant revolutionary agitation and writings began to form. Expressing the central issues of debate in the German Social Democracy at the time, she wrote Reform or Revolution in 1900; against Eduard Bernstein's revisionism of Marxist theory. Luxemburg explained: "His theory tends to counsel us to renounce the social transformation, the final goal of Social-Democracy and, inversely, to make of social reforms, the means of the class struggle, its aim. Bernstein himself has very clearly and characteristically formulated this viewpoint when he wrote: "The Final goal, no matter what it is, is nothing; the movement is everything”. While Luxemburg supported reformist activity (as the of class struggle), the aim of these reforms was a complete revolution. She stressed that endless reforms would continually support the ruling bourgeois; long past the time a proletarian revolution could have begun to build a Socialist society. Luxemburg, along with Karl Kautsky, helped to prevent this revisionism of Marxist theory in the German Socialist party.By the 1905 Revolution in Russia, Luxemburg refocused her attention to the Socialist movement in the Russian Empire, explaining the great movement the Russian proletariat had begun: "For on this day the Russian proletariat burst on the political stage as a class for the first time; for the first time the only power which historically is qualified and able to cast Tsarism into the dustbin and to raise the banner of civilization Russia and everywhere has appeared on the scene of action". Although Rosa Luxemburg held that in one fashion or another the whole mass of people mu...