Photography is a system of visual editing. At bottom, it is a matter of surrounding with a frame a portion of one's cone of vision, while standing in the right place at the right time. Like chess, or writing, it is a matter of choosing from among given possibilities, but in the case of photography the number of possibilities is not finite but infinite.
John SzarkowskiThey were ... pure and unadulterated photographs, and sometimes they hinted at the existence of visual truths that had escaped all other systems of detection.
John SzarkowskiPhotography was not invented to serve a clearly understood function. There was in fact widespread uncertainty, even among its inventors, as to what it might be good for.
John Szarkowski