An artist is not paid for his labor but for his vision.
Paint should not be applied thick. It should be like a breath on the surface of a pane of glass.
To say to the painter that Nature is to be taken as she is, is to say to the player that he may sit on the piano.
The world is divided into two classes - invalids and nurses.
It takes a long time for a man to look like his portrait.
The work of a master reeks not of the sweat of the brow - suggests no effort - and is finished from its beginning.