Ignorance is a virus. Once it starts spreading, it can only be cured by reason. For the sake of humanity, we must be that cure. (Neil deGrasse Tyson)

Ignorance is a virus. Once it starts spreading, it can only be cured by reason. For the sake of humanity, we must be that cure.

Neil deGrasse Tyson

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cure humanity ignorance once reason sake spreading virus

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