Nasrudin had saved up to buy a new shirt. He went to a tailor’s
shop, full of excitement. The tailor measured him and said: ‘Come
back in a week, and - if Allah wills - your shirt will be ready.’
   The Mulla contained himself for a week and then went back to
the shop.
   ‘There has been a delay. But - if Allah wills - your shirt will be
ready tomorrow.’
   The following day Nasrudin returned. ‘I am sorry,’ said the tailor,
‘but it is not quite finished. Try tomorrow, and - if Allah wills - it
will be ready.’
   How long will it take’, asked the exasperated Nasrudin, ‘if you
leave Allah out of it?’