DA VINCI CODE 20-3
"I've been thinking about the numbers all night. Sums, quotients, products. I don't see anything. Mathematically, they're arranged at random. Cryptographic gibberish."
"And yet they're all part of the Fibonacci sequence. That can't be coincidence."
"It's not. Using Fibonacci numbers was my grandfather's way of waving another flag at me—like writing the message in English, or arranging himself like my favorite piece of art, or drawing a pentacle on himself. All of it was to catch my attention."
"The pentacle has meaning to you?"