The persistence of falsehoods

I will cite another case with no particular ideological implications. I saw an add for an upcoming movie on TV tonight. In the ad, Morgan Freeman cites the "fact" that humans only use 10% of their brain.

The real fact, that this 10% myth is nonsense, has been widely circulated. And yet the myth keeps showing up again and again. Is it really the case that once a falsehood gets out there, it will continue to circulate forever?


  1. The first rule of public relations: get your lie out first.

    BS factoids survive when they serve a purpose, like many of the feminist factoids, such as "the rule of thumb." The 10% serves hucksters who promise to unlock your secret potential. In many ways, especially political ways, people convince themselves they can choose what is true. They choose what is convenient, and to hand, and repeat it. There was a factoid about a famous USSC case a few years ago. I refuted it by citing the actual issued judgment. Made no difference; my interlocutor just kept repeating what he said before. I have heard it repeated often.


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