Why do we refer to the mind as a circus? A circus is not a mess; a circus is a very coordinated activity deliberately made to look like a mess. On one level it is a mess, but on another, it is a highly coordinated activity.
Freethinkers are those who are willing to use their minds without prejudice and without fearing to understand things that clash with their own customs, privileges, or beliefs. This state of mind is not common, but it is essential for right thinking.