I used to believe that knowledge was a vitamin.
Like, an actual vitamin called Vitamin K.
I just remember my brother on my first day of school telling me 'knowledge is a vitamin'.
I was 8 when I found out he was talking crap.
A childhood belief about general

others believed things like this
- I used to believe that a vitamin was a small animal
only recently I have found out that it is not true... :)— Sylwia - It was common "knowledge" where I lived that if you picked dandelions then you would wet the bed.— Holly
- I used to believe that there was an actual show, listed in the various guides, called "To Be Announced."— Donna
- When I was a kid, I believed that bible school was "beauty school", and called it that all the time.— Dana
- my brother stopped me sucking my thumb by telling me the scissor man would come and cut it off
he was evilAnon - My brother used to believe that when we went to school dogs went to dog school to learn to speak and read— Matt