The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion, but allow very lively debate within that spectrum....

This line is widely circulated as a summary of Noam Chomsky’s critique of “manufactured consent” in modern democracies: the idea that mass media and political institutions can manage dissent not mainly by overt censorship, but by setting the boundaries of what counts as “serious” or “responsible” opinion. Chomsky has made this point repeatedly in talks and interviews about propaganda, elite consensus, and the role of mainstream debate in legitimizing policy. However, the exact occasion and first publication of this specific wording are difficult to pin down from reliable bibliographic references, and it often appears online without a verifiable citation.

Chomsky’s line describes a mechanism of ideological control in which power does not need to silence dissent outright. Instead, it narrows what counts as “reasonable” or “serious” opinion—setting boundaries around debate—while encouraging energetic argument inside those limits. The resulting spectacle of pluralism can make a society feel open and democratic even as foundational assumptions (about institutions, foreign policy, economic arrangements, etc.) remain largely unchallenged. The quote aligns with Chomsky’s broader critique of mass media and elite consensus: that consent is “manufactured” not mainly through censorship, but through agenda-setting, framing, and the policing of legitimacy.