I believed that penicillen (that magical medicine) came from moles (those small little creatures underground whose name sounds curiously like the place penicillen really comes from -- mold)
A childhood belief about general

others believed things like this
- i believed that moles wore davy lamps on their heads so they could see underground— Omi
- when i was 6 i used to believe that birds were magical creatures and used magic to fly— Serriu
- For a very long time I believed that there were little men underground that changed the traffic lights!— Melissa
- I believed Dr. Pepper was pepper-flavored medicine and was afraid to drink it.Anon
- I used to believe that the bubble gum medicine was really made of bubble gum. i believed this until i was 16.— Shawn
- I used to honestly think that Smarties were medicine.Anon