When I was REALLY young (I can't even remember how old I was). I used to believe that whenever you get into a car. The car wasn't moving, but the whole world around you was actually rearranging around your vehicle.
However, I never actually wondered how other vehicles moved around...
A childhood belief about cars

others believed things like this
- I used to believe my dad was the best male figure in the world and wondered why he wasn't president already.— Ivy :)
- I used to believe thunder was the sound of God rearranging his furniture.Anon
- I used to believe that when you moved houses, you traded homes with the person whose house you're moving into.Anon
- I remember being told that thunder was just God moving his/her furniture around.— kipperfeet
- when i was young i was told that thunder represented god moving the chairs about— lips
- I used to believe that when you moved house you swapped house with the person moving into your old house.Anon