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Foucault’s Pendulum
flux, where sharp lines in space and time do not exist.

No numerus Clausius here, no constraining law of thermodynamics. The letters bubble indolently to the surface, they emerge from nothingness and obediently return to nothingness, dissolving like ectoplasm. It’s an underwater symphony of soft linkings and unlinkings, a gelatinous dance of self-devouring moons, like the big fish in the Yellow Submarine.

At a touch of your fingertip the irreparable slides backward toward a hungry word and disappears into its maw with a slurrrp, then darkness. If you don’t stop, the word swallows itself as well, fattening on its own absence like a Cheshire-cat black hole.

And if you happen to write what modesty forbids, it all goes onto a floppy disk, and you can give the disk a password, and no one will be able to read you. Excellent for secret agents. You write the message, save it, then put the disk in your pocket and walk off. Not even Torquemada could find out what you’ve written: It’s between you and it (It?).

And if they torture you, you pretend to confess; you start entering the password, then press a secret key, and the message disappears forever. Oh, I’m so sorry, you say, my hand slipped, an accident, and now it’s gone. What was it? I don’t remember. It wasn’t important. I have no Message to reveal. But later on—who knows?—I might.

He who attempts to penetrate into the Rose Garden of the Philosophers without the key resembles a man who would walk without feet.
—Michael Maier, Atalanta Fugiens, Oppenheim, De Bry, 1618, emblem XXVII

That was the only file that had been printed out. I would have to go through the disks on the computer. They were arranged by number, and I thought I might as well start with the first. But Belbo had mentioned a password. He had always been possessive with Abulafia’s secrets.

When I loaded the machine, a message promptly appeared: “Do you have the password?” Not in the imperative. Belbo was a polite man.

The machine doesn’t volunteer its help. It must be given the word; without the word, it won’t talk. As though it were saying: “Yes, what you want to know is right here in my guts. Go ahead and dig, dig, old mole; you’ll never find it.” We’ll see about that, I said to myself; you got such a kick out of playing with Diotallevi’s permutations and combinations, and you were the Sam Spade of publishing. As Jacopo Belbo would have said: Find the falcon.

The password to get into Abulafia had to be seven letters or fewer. Letters or numbers. How many groups of seven could be made from all the letters of the alphabet, including the possibility of repetition, since there was no reason the word couldn’t be “cadabra”? I knew the formula. The number was six billion and something. A giant calculator capable of running through all six billion at the rate of a million per second would still have to feed them to Abulafia one at a time.

And it took Abulafia about ten seconds to ask for the password and verify it. That made sixty billion seconds. There were over thirty-one million seconds in a year. Say thirty, to have a round figure. It would take, therefore, two thousand years to go through all the possibilities. Nice work.

I would have to proceed, instead, by inductive guesswork. What word would Belbo have chosen? Was it a word he had decided on at the start, when he began using the machine, or was it one he had come up with only recently, when he realized that these disks were dangerous and that, for him at least, the game was no longer a game? This would make a big difference.

Better assume the latter, I thought. Belbo feels he is being hunted by the Plan, which he now takes seriously (as he told me on the phone). For a password, then, he would use some term connected with our story.

But maybe not: a term associated with the Tradition might also occur to Them. Then I thought: What if They had already broken into the apartment and made copies of the disks, and were now, at this very moment, trying all the combinations of letters in some remote place? Using the supreme computer, in a castle in the Carpathians.
Nonsense, I told myself. They weren’t computer people.

They would use the notarikon, the gematria, the temurah, treating the disks like the Torah, and therefore would require as much time as had passed since the writing of the Sefer Yesirah. No, if They existed, They would proceed cabalistically, and if Belbo believed that They existed, he would follow the same path.
Just to be on the safe side, I tried the ten Sefirot: Keter, Hokhmah, Binah, Hesed, Gevurah, Tiferet, Nezah, Hod, Yesod, Malkhut. They didn’t work, of course: it was the first thing that would have occurred to anyone.

Still, the word had to be something obvious, something that would come to mind at once, because when you work on a text as obsessively as Belbo must have during the past few days, you can’t think of anything else, of any other subject. It would not be human for him to drive himself crazy over the Plan and at the same time pick Lincoln or Mombasa for the password. The password had to be connected with the Plan. But what?

I tried to put myself inside Belbo’s head. He had been chain-smoking as he wrote, and drinking. I went to the kitchen for a clean glass, found only one, poured myself the last of the whiskey, sat down at the keyboard again, leaned back in the chair, and propped my feet on the table. I sipped my drink (wasn’t that how Sam Spade did it? Or was it Philip Marlowe?) and looked around. The books were too far away; I couldn’t read the titles on their spines.

I finished the whiskey, shut my eyes, opened them again. Facing me was the seventeenth-century engraving, a typical Rosicrucian allegory of the period, rich in coded messages addressed to the members of the Fraternity. Obviously it depicted the Temple of the Rosy-Cross, a tower surmounted by a dome in accordance with the Renaissance iconographic model, both Christian and Jewish, of the Temple of Jerusalem, reconstructed on the pattern of the Mosque of Omar.

The landscape around the tower was incongruous, and inhabited incongruously, like one of those rebuses where you see a palace, a frog in the foreground, a mule with its pack, and a king receiving a gift from a page. In the lower left was a gentleman emerging from a well, clinging to a pulley that was attached, through ridiculous winches, to some point inside the tower, the rope passing through a circular window. In the center were a horseman and a wayfarer. On the right, a kneeling pilgrim held a heavy anchor as though it were his staff.

Along the right margin, almost opposite the tower, was a precipice from which a character with a sword was falling, and on the other side, foreshortened, stood Mount Ararat, the Ark aground on its summit. In each of the upper corners was a cloud illuminated by a star that cast oblique rays along which two figures floated, a nude man in the coils of a serpent, and a swan. At the top center, a nimbus was surmounted by the word “Oriens” and bore Hebrew letters from which the hand of God emerged to hold the tower by a string.

The tower moved on wheels. Its main part was square, with windows, a door, and a drawbridge on the right. Higher up, there was a kind of gallery with four observation turrets, each turret occupied by an armed man who waved a palm branch and carried a shield decorated with Hebrew letters. Only three of these men were visible; the fourth had to be imagined, since he was behind the octagonal dome, from which rose a lantern, also octagonal, with a pair of great wings affixed.

Above the winged lantern was another, smaller, cupola, with a quadrangular turret whose open arches, supported by slender columns, revealed a bell inside. To the final small four-vaulted dome at the top was tied the thread held by the hand of God. The word “Fa/ma” appeared here, and above that, a scroll that read “Collegium Fraternitatis.”

There were other oddities. An enormous arm, out of all proportion to the figures, jutted from a round window in the tower on the left. It held a sword, and belonged perhaps to the winged creature shut up in the tower. From a similar window on the right jutted a great trumpet. Once again, the trumpet.

The number of openings in the tower drew my attention. There were too many of them, and the ones in the dome were too regular, whereas the ones in the base seemed random. Since only half the tower was shown in this orthogonal perspective, you could assume that symmetry was preserved and the doors, windows, and portholes on this side were repeated in the same order on the other side. That would mean, altogether, four arches in the dome of the bell tower, eight windows in the lower dome, four turrets, six openings in the east and west façades, and fourteen in the north and south façades. I added it up.

Thirty-six. For more than ten years that number had haunted me. The Rosicrucians. One hundred and twenty divided by thirty-six came to 3.333333, going to seven digits. Almost too perfect, but it was worth a try. I tried. And failed.

It occurred to me then that the same

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flux, where sharp lines in space and time do not exist. No numerus Clausius here, no constraining law of thermodynamics. The letters bubble indolently to the surface, they emerge from