Either it means subservience to the spontaneity of this movement,.e., reducing the role of Social Democracy to mere subservience to the labor movement as such (the interpretation given to it by Rabochaya Mysl, the Self Emancipation group and other Economists); or it may mean that the mass movement puts before us new, theoretical, political and organizational tasks, far more complicated than those that might have satisfied us in the period before the rise of the mass movement.