Pure 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 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 SzarkowskiThe invention of photography provided a radically new picture-making process - a process based not on synthesis but on selection. The difference was a basic one. Paintings were made - constructed from a storehouse of traditional schemes and skills and attitudes - but photographs, as the man on the street put, were taken.
John Szarkowski