When I was little, I heard the saying two heads are better than one. I believed that there was someone that ran around with two heads that was better than I was. Now I'm older I know better.
A childhood belief about appearance

others believed things like this
- I used to believe that heads of state had diferent kinds of heads on their shoulders— stupid elado
- i believed that moles wore davy lamps on their heads so they could see underground— Omi
- i used to beleive everyone took their heads off when i turned away from them.Anon
- I used to believe nun's shaved their heads and were completely bald.— Mark
- I used to believe there were calves' heads in those cans of Pet Milk.— Ron
- when i was little i thought people with big heads or big noses had cancer...Anon