I used to believe that "pray without ceasing" meant pray without peeking. I didn't know what "ceasing" meant, so I guessed it was an old King James word for peeking. I was sure God wouldn't answer my prayer if I looked around while I prayed.
A childhood belief about prayers

others believed things like this
- I don't know why but when i was 5 i used to think the place where you kneel to pray was were kids sat.Anon
- When i was about 4 i used to think the birds of pray were called that because they preyed before they ate!— Alien 5247
- my husband believed, until recently, that the word "several" meant seven of something. — sheryl
- I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- i used to think the word "friendship" meant a special kind of rocketship that you went on with your friends.— chips ahoy!
- I used to think that tampons were meant to absorb women's urine so they wouldn't have to go to the bathroom.— Koyaanisqatsi