When I was 4 i used to beleive cats could understand what people where saying so when my sister said hi stupid kitty i thought the cat was going to attack her.
From oshjay
A childhood belief about cats and dogs

others believed things like this
- As a kid I thought dogs stupid but funny and that cats were evil demons. — Gemini
- My sister and I thought cats and dogs were the same animal, the dogs were male and the cats were female.— Paul
- My sister's friend thought cats were just small dogs when she was younger.— Richard Davies
- i didn't beleive this, but a kid my sister knew thought if he screamed in a really high voice, he ran faster.Anon
- My older sister used to beleive that when it rained, the angels in heaven were having a spitting contest— Doblica W.
- i used to beleive that if you chewed gum it woul give you warts in your mouth my sister told me this— sunney jim of the pearl