"“The real question you should be asking is quite different: Why is Section able to function at a time when the larger Agency is paralyzed?” I said, “I don’t like riddles. Why is it?” “Because, for centuries, Section has kept its files on paper, not inside a machine. Muller couldn’t wipe them out…. “We’ve learnt that you cannot control information once it’s in electronic form. You can trust a key; you can trust a lock because it has a defined physical location. It can be made in such a way that it is difficult to duplicate. Numbers, no matter how difficult they are to guess, can be copied perfectly. We use physical objects.”"