That depends on whether we consider knowledge to be a relative or an absolute thing. I may know something that is unintelligible to my teenage children, because they are not currently disposed to comprehend or accept it.

Nobody could read hieroglyphs or Sumerian cuneiforms either. But the knowledge they embody was still there all the time, just waiting to be decoded.

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}