I thought when someone was described as being "mild-mannered" it meant they didn't have very good manners
A childhood belief about speaking

others believed things like this
- I thought that a person's motorskills meant how good they were at driving!Anon
- When I used to see a sign saying "Littering Fine" I thought they meant if you littered REAL GOOD!— Lou V.
- I used to think the song"jesus, oh what a wonderful child so holy, meek and mild" was "so holy, Mickey Mouse"— Stephani
- I used to think that if a movie was advertised on the side of a bus, that meant it was really good. — Aretia
- I thought that socialism just meant being social and didn't get why anyone would be against it!— Olcasgean
- Up until I was 17 I thought that 'no outlet' signs meant that the steet didn't have any streetlights.— Kelsey