When I was little I used to love the My Little Ponies and their human friend, Megan. Since Megan's appearance would change in some episodes/movies, I used to believe that every girl that owned a horse or pony was named Megan.
A childhood belief about general

others believed things like this
- I only found out last year that a pony is not a baby horse.— Mescaline Frumblethond
- I used to believe that the cows owned by my grandfather slept lying on the ground like a human at night.— Eric
- I used to think that ponies were young horses. I was embarrasingly old when I discovered the truth.— Al's view of the world
- When I was little, my dad had a friend named Scott. I thought my dad's friend was the king of Scotland— Uhhh....
- I Used To Believe That GayNess Came From Lack Of Confidence In Ones Appearance— Mr Payne
- When I was younger, I think i can change my brother with a friend— Mbaclé du 55