I used to believe that when adults mentioned horsepower that there were Horses under the bonnet
A childhood belief about cars

others believed things like this
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- That adults came into the world as adults and were never childrenAnon
- That boys turned into women when they became adults and girls turned into men when they became adults. Anon
- I used to think that I was smarter than adults. Now I know kids are smarter than adults in many ways— Marshall M
- I used to believe that horseradish
was made from horses.— Dee - I used to believe cows were ugly horses— Marlene