A line, an area of tone, is not really important because it records what you have seen, but because of what it will lead you on to see. Following up its logic in order to check its accuracy, you find confirmation or denial in the object itself or in your memory of it.

A drawing is essentially a private work, related only to the artist's own needs; a 'finished' statue or canvas is essentially a public, presented work - related far more directly to the demands of communication.

A drawing is an autobiographical record of one's discovery of an event - either seen, remembered or imagined. A 'finished' work is an attempt to construct an event in itself.

John Berger Quotes