In practice a photographer does not concern himself with philosophical issues while working; he makes photographs, working with subject matter that he thinks will make the pictures.
John SzarkowskiThe basic material of photographs is not intrinsically beautiful. It's not like ivory or tapestry or bronze or oil on canvas. You're not supposed to look at the thing, you're supposed to look through it. It's a window.
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