That is a simple rule, and easy to remember. When I, a thoughtful and unblessed Presbyterian, examine the Koran, I know that beyond any question every Mohammedan is insane; not in all things, but in religious matters.
We all do no end of feeling, and we mistake it for thinking. And out of it we get an aggregation which we consider a boon. Its name is public opinion. It is held in reverence. Some think it the voice of God.