If all the qualities which a painter took from the model for his picture were really taken, no person could be painted twice.
Lucian Freud, Rolf Lauter, Jean Christophe Ammann, Craig Hartley, Museum für Moderne Kunst (Frankfurt am Main, Germany) (2001). “Lucian Freud: naked portraits : Werke der 40er bis 90er Jahre”, Hatje Cantz Publishers