Summary: This book is one of the most important philosophy texts of the 20th century, if for no other reason than as an eye-opener. The text is a difficult read (although nowhere near as opaque as Derrida). The section on how our culture and, hence, our world-view has been "set" by accepted taxonomies is worth the read all by itself. I have come back to these comments again and again. Taxonomies are useful, but we need to understand the constraints on understanding imposed by such