Photographers deal in things which are continually vanishing and when they have vanished there is no contrivance on earth which can make them come back again.
Henri Cartier-BressonPhotography is simultaneously and instantaneously the recognition of a fact and the rigorous organization of visually perceived forms that express and signify that fact
Henri Cartier-BressonThe simultaneous recognition, in a fraction of a second, of the significance of an event as well as the precise organization of forms which gives that event its proper expression... In photography, the smallest thing can be a great subject. The little human detail can become a leitmotif.
Henri Cartier-Bresson