 everything should appear so artfully connected that the whole painting seems to have been painted at one and the same time, and, as it were, from the same palette. (1725 [AT: 568], quoted by Louis-Guillaume Baillet de Saint-Julien, 1748, Lettre sur la peinture, sculpture et architecture, Avec un examen des principaux Ouvrages exposés au Louvre au mois d’Août, Paris: [n.p.]) 