Neil DeGrasse Tyson Quotes: Ignorance is a virus. Once it starts spreading, it can only be cured by reason. For the sake of humanity, ...

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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Neil DeGrasse Tyson Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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 Quotes: 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.