I used to believe that grown-ups are know-it-all and couldn't wait to become one. Now I'm 18 and I know than many kids are smarter than adults.
A childhood belief about getting older

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 used to think grown ups couldn't lie...especially not to kids.— Jessica
- I used to believe when adults grew up only 4' 9" or lower are still classified as kids.— Jorge
- I used to believe that school was a place kids go to get turned into adults.— Samantha
- I thought that kids' pee was yellow and adults' pee was clear.— Aretia
- I used to think that adults spoke an entirely different language (not English) when kids weren't around. — Swordfish