The Treachery of Images

http://en.wikipedia.org/wiki/File:PicassoGuernica.jpg

Picasso’s Guernica depicts the suffering wrought by a German bombing in 1937 during the Spanish Civil War.

Three years later, when the artist was living in Nazi-occupied Paris, a Gestapo officer saw a photo of the painting in his apartment. “Did you do that?” he asked.

“No,” Picasso said. “You did.”