Sea Shells on Arabian Shores

                     Beauty of style and harmony and grace and good rhythm

                                             depends on simplicity

There is much beauty in nature’s clues, and we can all recognizeit without any mathematical training. There is beauty,too, in the mathematical stories that start from the clues anddeduce the underlying rules and regularities, but it is a differentkind of beauty, applying to ideas rather than things.Mathematics is to nature as Sherlock Holmes is to evidence.