"Throughout history, the really fundamental changes in societies have come about not from the dictates of governments and the results of battles, but through vast numbers of people changing their minds, sometimes only a little bit."

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Changes in society are due chiefly to the development of the internal contradictions in society, that is, the contradiction between the productive forces and the relations of production, the contradiction between classes and the contradiction between the old and the new; it is the development of these contradictions that pushes society forward and gives the impetu6 for the suppression of the old society by the new.

— Mao Zedong