Of course, you can’t force your mind to be silent. That would be like trying to smooth ripples in water with a flatiron. Water becomes clear and calm only when left alone.
There is seven-eights of it under water for every part that shows. Anything you know you can eliminate and it only strengthens your iceberg. It is the part that doesn't show. If a writer omits something because he does not know it then there is a hole in the story.