They were ... pure and unadulterated photographs, and sometimes they hinted at the existence of visual truths that had escaped all other systems of detection.
John SzarkowskiThe central act of photography, the act of choosing and eliminating, forces a concentration on the picture edge - the line that separates in from out - and on the shapes that are created by it.
John SzarkowskiPhotography 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 Szarkowski