I used to believe that mirrors are doors to a world of opposite chirality, but we cannot cross it because our counterpart is also doing the same and both are pressing against each other.
A childhood belief about mirrors

others believed things like this
- i used to believe that mirrors were a doorway to another world.
I still think i have a twin. :-)l(-:— bloo - I'm scared of mirrors because I think that there are ghosts in mirrors— est
- when I saw a sign with a deer on it I always thought deer had to cross the street by it. like a cross walk— only me
- I used to belief that women had babies by pressing their belly buttons!— amy
- Pressing on the gas pedal means that your car can do anything...including going up a vertical wall.Anon
- My friend and I used to believe that we could gain special powers by pressing our bellybuttons and wishing.— Andrew