" So Natalie quieted down, out of respect for her boyfriend’s dedication. This puzzle seemed different from the others. You couldn’t see any patterns, any castles or characters. It was composed of red loops on a white background. Loops that were turning into letters. It was a message in the form of a puzzle. Natalie let go of the book she’d just opened to watch the puzzle taking shape. Occasionally François turned around to look at her. The process of discovery continued toward its conclusion. There were only a few pieces left; "
― David Foenkinos , Delicacy