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Foucault presents the hypothesis that in any society, the production of discourse is controlled, in order to eliminate power and danger and contain random events in this production. These procedures are divided into internal and external.

"I assume that in any society the production of discourse is at once controlled, selected, organized and redistributed by a certain number of procedures whose role is to ward off its powers and dangers, to master its random event, to dodge its heavy, fearsome materiality."
Michel Foucault

See also

Michel Foucault, chair History of systems of thought