As a child, I used to think the file in "Great Expectations" was a nail file, which wouldn't be of much use to an escaped, handcuffed convict. That's what happens when you try to read Dickens as an eight-year-old who doesn't know about context.
Turns out I'm not the only one who got things mixed up as a kid.
The trending Twitter hashtag "As A Child I Used To Think" reveals the dumb things we all believed as children. And in some cases, it reveals how dumb we still are as adults.
Keep scrolling for a roundup of the best #AsAChildIUsedToThink tweets.