1. Refusing to adjust ignorance into knowledge. 2. Repeating an action with the same re-action, & expecting a different result. 3. Putting one's Self at the helm of a machine without the mental/physical capacity to operate it in public without skills. 4. Getting caught. 5. Many present human management/governance concepts. 6. Most of present Western Medicine (AMA/ADA) concepts. 7. Most present educational concepts. 8. Holding anything that came thru mainstream media as truth. 9. Driving on a parkway & parking in a driveway. 10. The concept of "Free" being 'free'. 11. Braille on drive-up ATM buttons.