I used to believe that when I was in the car on the highway that we were all in a "huge" indy race.
I used to believe that when you looked up in the sky and saw airplanes and there tail smoke across the sky that those airplanes were called "Guardian Angles" protecting us from evil intruders, not regular passenger jets flying to get people from one state to another.
A childhood belief about cars

others believed things like this
- My nephew, at around age three, used to say that airplanes trailing white exhaust were "airplanes on strings".— Mojo!
- I used to believe airplanes were flying submarines.— Gullible isn't in the dictionary
- I used to think that the sound made from airplanes flying over me was the antenna scrapping across the sky.— Richard J Brown
- when i was little, i used to believe that airplanes goes out of space.Anon
- When I was little, I used to believe that airplanes took off like rockets.— Edene
- I used to believe that the roars from airplanes was the earth yawning.— Natasha