I just think it is too bad that, with all the great photographs that have been taken since 1839, the first to sell at auction for more than $1 million is a photograph of another photograph.

(Sacks, a leading American collector, commenting on the sale at Christie's of Richard Prince's "Untitled (Cowboy)" for $1,248,000 in 2005). Quoted in Gerry Badger, "The Genius of Photography"(p.220) Quadrille, London 2007.