"The most efficient way to keep a people ignorant is not to conceal everything from them, because there will always be one smarter than the others who will seek to find it. Instead, it is to maintain the illusion that they do know, so that no-one even tries to verify what is already accepted by all."

I do not know the author, unfortunately, but what can I possibly say that could be more relevant than that? There is a lot to ponder here.