An excerpt from Paul Chimera's Interpretations of Dali...
"I recall a Q. & A. in the national press years ago, where a reader wondered, “Who was it who said that Picasso painted too much? Everywhere you go you see a Picasso?” The answer, not surprisingly, was Salvador Dali, who remarked that, by contrast, he was “content in painting a single masterpiece a year!”
more at http://www.dali.com/
Thank you Joe Nuzzolo