We used to think that if you ran swinging your arms around, you would run faster.
A childhood belief about general

others believed things like this
- I used to think Jaywalkers were people who walked briskly whilst swinging their arms.. whoops!— Lisa
- i used to think that the faster you go in your car, the faster the car radio went.— Matt
- I used to think that if I was swinging on a swing fast enough, I could jump off it and start flying.— Nick
- i used to picture jesus as a kind of cartoon Tarzan, swinging through the trees...— bex
- Red shoes make you run faster. — Ann B.
- ... i used to believe the more stripes my pair of sneakers had, the faster i would run ...— wilbur