"The fact that some of the noblest and most highly esteemed examples that survive to us of the best days of painting are those of portraiture is sufficient demonstration of the dignity of the art itself. To produce a portrait is to do much more than make a mere study of a head. Qualities of , balance of light and shade, appropriate accessories, and many other elements of a pictorial æsthetic nature combine to give dignity to the and mark it as a work of art."