‘There is nothing without an answer,’ said a monk as he entered
the teahouse where Nasrudin and his friends sat.
   ‘Yet I have been challenged by a scholar with an unanswerable
question,’ observed the Mulla.
   ‘Would that I had been there! Tell it to me, and I shall answer it.’
   ‘Very well.' He said: “Why are you stealing into my house through
a window by night?”’