Nothing in nature has a hard outline, but everything is seen against something else, and its outlines fade gently into that something else, often so subtlely that you cannot quite distinguish where one ends and the other begins. In this mingled decision and indecision, this lost and found, lies all the charm and mistery of nature.
P.H. Emerson, The misty river, ca. 1890 / print ca. 1895 photogravure print, 15.0 x 19.6 cm.