Let the painter composing narrative pictures take pleasure in wealth and variety, and avoid repeating any part that occurs in it, so that the uniqueness and abundance attract people to it and delight the eye of the observer. I say that a narrative painting requires (depending on the scene), wherever the eye falls, a mixture of men of diverse appearances, of diverse ages and dress, combined together with women, children, dogs, horses, buildings, fields, and hills.
Leonardo da VinciAny color is more distinctly seen when opposed to its contrary: thus, black on white, blear near yellow, green near red, and so on.
Leonardo da VinciA day will come in which men will look upon an animal's murder the same way they look today upon a man's murder.
Leonardo da Vinci