18.

A little schoolgirl was crying in the park. A kind-hearted lady asked her: "Why are you crying?"

"Sciatica."

"At your age?"

"No. I am not suffering from sciatica, but I did not spell it correctly and that's why my teacher scolded me."

From:Sri Chinmoy,Relaxation-secrets for the pressured mind, Agni Press, 1988
Sourced from https://srichinmoylibrary.com/rsm