Four monks were meditating in a monastery. All of a sudden the prayer flag on the roof started flapping.
The younger monk came out of his meditation and said: "Flag is flapping"
A more experienced monk said: "Wind is flapping"
A third monk who had been there for more than 20 years said: "Mind is flapping."
The fourth monk who was the eldest said, visibly annoyed: "Mouths are flapping!"
I found this on a site a friend had directed me to. It reminded me of a talk I had with the Sister at the temple I attended as a child. Where I was being instructed on not allowing thoughts like this to disturb my meditation. hehe. :D