Earl of David Lindsay Crawford, Donatello, by Lord Balcarres
“ Nobody has any right to complain that a statue is uncoloured: the substance and quality of the marble is in itself pleasing, but relative truth is all that is required in a portrait-bust. If one wants to know the colour of a man's eye, or the precise tint of his complexion, the painter's art should be invoked, but only where its gradations and subtleties can be fully rendered—on the canvas. Polychromacy is a mixture of two arts: it is one art trying to steal a march upon another art by producing illusion. ”
