Only slightly related, but how do you secure knowledge in a way, that protects it against ideological and/or religious fervor? Cause so far, humanity has severa

Only slightly related, but how do you secure knowledge in a way, that protects it against ideological and/or religious fervor? Cause so far, humanity has several periods were knowledge of the past was erased or active assaulted. So how and where would you hide wikipedia, if the god and the world came for it?