I used to believe the words to my dad's favorite song(Mysterious Ways, by U2) were, "Shamu the mysterious whale!" Instead of "She moves in mysterious ways!"
A childhood belief about misheard lyrics

others believed things like this
- I used to believe my dad could honk the car horn by pushing on a mysterious spot on the roof of the car.— sarah b
- I used to think that Shamu was my whale and that he just lived at Sea World and they took care of him for me.Anon
- I used to think that I was smarter than adults. Now I know kids are smarter than adults in many ways— Marshall M
- I used to believe the whitewash on waves was actually whale pee.— Tessica
- I used to believe the fishs are washing clothes under the ship when it moves because of the bubbles— jeff jefferson
- I used to believe that black olives were made out of whale skin.— Troyson