The elements of drawing in three letters to beginners (1895)
Ruskin, John, 1819-1900 · London : George Allen, Sunnyside, Orpington · leaf 202
170 THE ELEMENTS OF DRAWING, [letter 11. reach it at all until you have given much time to the practice of art. Only try always when you are sketching any object with a view to completion in light and shade, to draw only … those parts of it which you really see de- finitely; preparing for the after development of the forms by chiaroscuro. It is this prepara- tion by isolated touches for a future arrange- ment of superimposed light and shade which renders the etchings of the Liber Studiorum
Drawing
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