“If I had a euro for every stupid thing I've done, I could buy the Mona Lisa.”

“Anna, Anna," Josh interrupts. "If I had a euro for every stupid thing I've done, I could buy the Mona Lisa. You'll be fine.”

“Rumfoord had known that Constant would try to debase the picture by using it in commerce. Constant's father had done a similar thing when he found he could not buy Leonardo's "Mona Lisa" at any price. The old man had punished Mona Lisa by having her used in an advertising campaign for suppositories. It was the free-enterprise way of handling beauty that threatened to get the upper hand.”

“Mona Lisa must have had the highway blues; you can tell by the way she smiles.”

“Hey, even the Mona Lisa is falling apart.”

“The Mona Lisa, the Mona Lisa....Leonardo had eye trouble....Art couldn't explain it....But now we're safe, since science can explain it. Maybe Milton wrote Paradise Lost because he was blind? And Beethoven wrote the Ninth Symphony because he was deaf...”