I never understood the "wrong way" signs on roads. How could they possibly know you were going the wrong way if they didn't know what your destination was?
A childhood belief about road signs

others believed things like this
- i used to believe that the signs for curvy roads were for snake crossingsAnon
- I used to believe the Do Not Pass signs on the roads meant you were'nt aloud to pass the sign. I was 14.Anon
- I used to believe that on your birthday everybody would worship you! (I guess I was wrong).— supergirl
- I used to think you could go to jail just by saying a word wrong during a speech.Anon
- I used to think I smelled wrong, but I figured out it was because we never used dryer sheets. — blnkfrnk
- i used to believe that stars really were star shaped, i realised at the age of 34 how wrong i was.Anon