I used to believe that teachers cut off student's fingers with the fans they kept in the front of the classroom if they were caught using them for addition.
A childhood belief about teachers

others believed things like this
- I believed that our teachers lived at school. They were teachers--they had no reason to leave :)(Anon
- I used to believe that teachers built missiles when they went to the teachers lounge.— HOLLIS
- I used to believe that Elvis died when he was trampled by fans.— Aretia
- I thought that a "student visa" meant to use a credit card while travelling.Anon
- My brother used to believe that ceiling fans were helicopters flipped upsidedown and stuck in the ceiling.— Seven
- I used to think the line in Pink Floyd's Another Brick in the Wall was "No dogs allowed in the classroom."— Gretchen