I used to believe that the purpose of a car's engine was to turn the "propeller" that's in front of the radiator. After all, they make planes move, don't they? I'm sad to say my understanding of cars today is not much better.
A childhood belief about cars

others believed things like this
- I used to think those propeller hats could actually make you fly. — Meghan
- I thought that cars could only make turns when you used the turn signals...— Toby
- I thought planes collected clouds to make cotton balls.— Eddie
- I used to believe, driving in front of all the other cars on the highway, Knight Rider was leading the pack.— Michael Kolassa
- When you lie your lips move or your eye turn green— Tanya
- i used to believe the turning signals on cars helped them turn sharp corners.— Julia