"When using colors to recreate a general harmony of tones in nature, one loses it by painfully exact imitation. One keeps it by recreating in an equivalent color range, and that may not be exactly, or far from exactly, like the model."

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He who resolves never to ransack any mind but his own, will be soon reduced, from mere barrenness, to the poorest of all imitations; he will be obliged to imitate himself, and to repeat what he has before often repeated.

— Joshua Reynolds