The startling truth finally became apparent, and it was this: Numbers
written on restaurant checks within the confines of restaurants do not
follow the same mathematical laws as numbers written on any other pieces
of paper in any other parts of the Universe.  This single statement took
the scientific world by storm.  So many mathematical conferences got held
in such good restaurants that many of the finest minds of a generation
died of obesity and heart failure, and the science of mathematics was put
back by years.
		-- Douglas Adams