I got very confused by the expression "... rings a bell" when adults were talking and one said "the name John Smith rings a bell" or similar. I thought this mean my parents knew what John Smith's front door bell sounded like!
A childhood belief about around the house

others believed things like this
- I used to believe that Will Smith's name wasn't Will Smith, but that it was World Smith.— Scott
- I used to believe that Alexander Graham Bell was not just one person. I thought that they were three people!— J.D.
- As a child I used to think that Olivia Newton-John and Elton John were married.
Boy, I was way off.— Lisa - As a child, I thought that Olivia Newton-John was Elton John's wife and Juice Newton's sister.— Connie
- I thought that Olivia Newton John was a group, Olivia Newt and John. — Sam O.
- I used to think that Olivia-Newton John was three people like Sharon, Lois and Bram....Olivia, Newt and John— J