" The working class, in the course of its development, will substitute for the old civil society an association which will exclude classes and their antagonism, and there will be no more political power properly so-called, since political power is precisely the official expression of antagonism in civil society.
Meanwhile the antagonism between proletariat and the bourgeoisie is a struggle of class against class, a struggle which carried to its highest expression is total revolution. Indeed, is it at all surprising that a society founded on the opposition of classes should culminate in brutal contradiction, the shock of body against body, as its final dénouement?
Do not say that social movement excludes political movement. There is never a political movement which is not at the same time social.
It is only in an order of things in which there are no more classes and class antagonisms that social evolutions will cease to be political revolutions. Till then, on the eve of every general reshuffling of society, the last word of social science will always be:

'Le combat ou la mort; la lutte sanguinaire ou le néant. C'est ainsi que la question est invinciblement posée.' -George Sand.

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― Karl Marx , The Poverty of Philosophy