i used to believe that when you accidentally/ unconsciously say something bad, then knock on wood three times.... it wouldn't come true. :D
A childhood belief about speaking

others believed things like this
- I used to believe that pretzals were made of wood.Anon
- I used to believe that pretzels were made from wood....Anon
- I used to believe pretzels were salted wood. — Dan Unknown
- i used to believe that black wood ear
came from the skin of the bats— JULIE - When I was a kid I used to think that woodpeckers were actually eating the wood when they were pecking it. — Amy
- I used to believe that if you got a splinter after awhile your whole body would turn into wood.Anon