I thought that the term "smarter than she looks" was a compliment. Imagine my surprise when I said that 'compliment' to my teacher's friend.
A childhood belief about appearance

others believed things like this
- I used to think that I was smarter than adults. Now I know kids are smarter than adults in many ways— Marshall M
- I thought that big people are necessarily smarter because there brains would be bigger— Quatsch
- I used to think that when I ate vegetables I will be smarter.— Dark_X_Raider
- I remember thinking that non-English speakers were much smarter because they could speak "so much faster." Anon
- I thought the term maiden name actually applied to women who were maidens.— Natasha
- One of my children used to believe that the Pulitzer Prize was spelled Pullet Surprise— Normand