I was told from time to time that the Bible says you shouldn't swear, which I took to mean that you shouldn't swear oaths. I thought that pinky-swearing was inherently sinful and dangerous.
A childhood belief about church

others believed things like this
- i could swear eleventeen was a number for the longest time -- it still sounds pretty convincing.— erin
- I used to believe that you shouldn't swallow gum because it would stick to you heart and make it stop beating.Anon
- I thought that Samson and Solomon from the Bible were the same person for the longest time...— Laura G.
- This may sound absurd but I thought the numbers next to the Bible versus said what time the person said it at!— Biomeka
- CCR's Bad moon on the Rise, I swear it sounded liket they were singing, "There's a bathroom on the Right"— SMC
- I swear I heard a Disney Channel/Radio Disney song where the chorus was a repeated “Damn it”— SpengBab