At church we sang a hymn with the refrain, "Sing praises to His name, He forgets not His own." For the life of me, I couldn't figure out why I was being asked to praise God simply for remembering His own name.
A childhood belief about hymns

others believed things like this
- I used to believe God had a pet tortoise. There was a hymn we sang that went "Great things he hath taught us"— Lozza
- I used to think that church songs were pop music. Well, we did sing them in church every week...— Roxy
- When Madonna sang "let the choir sing" in "Like a Prayer", I thought she was singing "love by proxy"— Kristen
- My fiance was in church as a kid and he saw the Vicar of the church and asked his Mum if it was God.— Andys fiancee
- I used to believe that "euthenasia" was "youth in Asia", and I couldn't figure why that was A Bad Thing.— Kellye
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman