Norman Rockwell biographer Deborah Soloman reports that when Willem de Kooning saw Rockwell's 'The Connoisseur', an image depicting a Jackson Pollock painting, he said to the owner of the gallery, "That painting is better than anything Jackson could do." "The Connoisseur" can be seen here.
de Kooning said of his own work, "I make pictures and someone comes in and calls it art.