books.google.com - Of the many arguments for proportion systems in architecture the most ancient and compelling is that the natural world is an intelligible, mathematically ordered whole, and the artifacts we place in it, as extensions of nature, should obey the same laws. Although this was still the argument of Le Corbusier...http://books.google.com/books/about/Proportion.html?id=Vk_CQULdAssC&utm_source=gb-gplus-shareProportion