A Treatise on Painting, by Leonardo da Vinci
1721
Senex and Taylor, London
Chapter Display | |
When in designing after any Body, you find your self unable precisely to determine how far the Shadows reach; Be sure to leave them unfinished in your Painting: By this Ingenuous piece of Negligence, you will at once show your own Modesty, and the strictness wherewith you imitate Nature.