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 SzarkowskiPure photography is a system of picture-making that describes more or less faithfully what might be seen through a rectangular frame from a particular vantage point at a given moment.
John Szarkowski