Quotations inspire the soul. The quote books in Applewood Books Great Quotations series are each bound in a handsome three-piece cover, and do just that and more. Quotations of Henry David Thoreau is a collection revealing the transcendental wisdom, as well as the keenly detailed observations of nature and 19th Century society, of Henry David Thoreau. In Wildness is the preservation of the world.-Henry David Thoreau, Walking; 1857