I was convinced that the line "Another Brick In The Wall" was 'no dogs or cats are in the classrooms' instead of 'no dark sarcasm'.
A childhood belief about misheard lyrics

others believed things like this
- I used to think the line in Pink Floyd's Another Brick in the Wall was "No dogs allowed in the classroom."— Gretchen
- Pink Floyd- Brick Wall.
I used to believe it was "we don't need no fart control" in the second line there.— Norwegian Dude From Kopervik - The line 'The dark sacred night' in What A Wonderful World is actually 'The dogs say goodnight'...— rebecca
- My sister and I thought cats and dogs were the same animal, the dogs were male and the cats were female.— Paul
- I used to believe all dogs were male and all cats were female. I still call dogs "boy" and cats "girl." — Kelly F.
- When I was younder, I was convinced that all dogs were boys and all cats were girls.— Clare, Ireland