I used to believe that all Jewish males had to wear kippots (jewish skull cap) because when they are circumcised they have to keep their foreskin in their caps. And this is why they were never allowed to take their caps off.
A childhood belief about church

others believed things like this
- I used to think that jewish men wore "kippots" or "yarmulkes" to cover their bald spots..— Charlotte
- Since Germans speak German, I thought Jewish people spoke Jewish.— Lori
- I grew up Jewish. Until I was about 10, I believed that everyone who wasn't Jewish was Catholic.— Philm35
- i used to believe that the hard toe caps on rugby boots were made from giant ants found in the amazon!— eryll
- i thought getting circumcised was to get the head of the penis cut off— Dee
- I used to believe that circuncision was a natural process and that the foreskin fell off during puberty.— Yure