we use them as TABLE FANS

A man dies. In heaven he sees a large Wall full of Clocks. He asks an angel, "What are these for?"


Angel answers:
"These are Lie Clocks, every person has lie clock! Whenever you lie on earth, clock moves."


The man points towards a clock and asks:
Whose clock is this?


Angel says:
its Mother Teresa's. It never moved, showing that she never told lie.


The man asks, 
Where are the clocks of the politicians....???


Angel replies: We keep them in our offices ... we use them as TABLE FANS :-P