When I was at school and was threatened with having to 'pick up papers' (rubbish in the playground) for misbehaving I was really worried as I believed that 'papers' were some form of legal document which my parents would receive.
A childhood belief about classes

others believed things like this
- I used to believe that fax machines worked by sending papers down underground tunnels. Anon
- I used to believe your parents PICK your birthday.— Stella
- My mom threatened that if I didn't eat all my vegetables that the police would come and arrest me.— Lisa T.
- that when I growed up I would be a footballer but that was obviously rubbish as I can't play for toffee— Darren
- Since we receive bread at Mass, I thought he was called "Jesus Crust" Seemed pretty obvious!Anon
- i believed like when i was 3 yrs. old i thought that air planes would come to your house to pick you up!— Brooke