They confirm one another; therefore they’re true
Foucault's Pendulum“They confirm one another; therefore they’re true” is Signor Garamond’s deliberately circular rule for evaluating occult claims: repetition across books becomes evidence of truth. In the novel, the maxim is both a publishing strategy for Project Hermes and a compact expression of the self-reinforcing logic by which borrowed assertions can acquire the appearance of proof.
The rule and its rationale
When Casaubon objects that much occult literature repeats material found on newsstands, with authors copying and citing one another as authorities, Garamond answers that the books in the planned Isis Unveiled series must address the same subjects as other books. Their agreement, he says, is what makes them true; originality is not to be trusted. The rule reverses ordinary standards of verification: instead of asking whether independent evidence supports a claim, it treats the recurrence of a claim across publications as confirmation.
That reversal is not an incidental editorial preference. Garamond has already recognized that readers are drawn to Hermetic subjects and to accounts that contradict what they encountered in school. He describes Project Hermes as a cultural service that offers faith and a glimpse beyond the everyday, while also seeing its commercial potential. The maxim lets those purposes reinforce one another: repeated claims can be marketed as a coherent body of knowledge, and their apparent coherence can help sell more books.
Repetition as a publishing method
Manutius’s ordinary university editions operate on a different basis. They are institutionally supported publications and conference proceedings, often with a professor’s preface; novice authors correct proofs and check citations but receive no royalties. A textbook’s gradual sales cover costs, and the model aims to avoid financial surprises. Garamond’s account of this dependable business contrasts with the speculative project he proposes for occult readers.
The publishing structure of Manutius makes the distinction sharper. It is a vanity press with high earnings and minimal overhead, staffed by Garamond, Signora Grazia, a bookkeeper, and Luciano, a disabled shipping clerk who sends books to authors rather than booksellers. The company’s priority is keeping authors loyal; it can do without readers. In this setting, mutual confirmation is less a standard of scholarship than a way to create a marketable impression of consensus.
Garamond puts that method into practice before the series is fully established. He writes under different names to reviews of Hermeticism, astrology, tarot, and UFOlogy, asking about the announced series. The editors then call Manutius for information, and Garamond heightens anticipation by withholding the first ten titles while saying they are in preparation. The exchange generates discussion of Project Hermes within the very circles from which its prospective readers will come. Repetition is thus manufactured as well as cited: publicity helps create the atmosphere of widespread interest that the books can later appear to confirm.
The maxim tested against the books
The novel also shows how Garamond’s salesmanship can exploit an author’s hopes. In his imagined pitch to the self-financing author Adeodato De Gubernatis, Garamond praises the manuscript, invokes favorable readers’ reports, and frames the work as worthy of a literary prize. He then warns that sales will be limited and invites the author to pay toward publication. The author, eager to reach familiar faces in his town and workplace, is led to imagine a public for his poetry before the actual scale of publication is clear.
The standard contract exposes the distance between this flattering account and the business terms. It permits a print run of up to ten thousand without specifying a minimum, makes the author’s payment independent of the run agreed verbally, and allows unsold copies to be pulped after a year unless the author buys them at half price. The lavish launch promises ten-page press releases, but the actual plan is to print one thousand copies and bind only three hundred and fifty. Copies are apportioned among the author, a handful of bookshops and magazines, and newspapers; some are later donated to hospitals or prisons. The apparent breadth of attention can therefore be assembled from publicity and circulation arrangements rather than demonstrated readership.
Significance
The maxim’s force lies in the way it makes circularity sound like corroboration. In Project Hermes, authors cite other authors, publicity primes specialist readers to expect a new series, and the resulting repetition can be offered as evidence that occult claims are widely recognized. The books do not need to establish each claim independently if their echoes are mistaken for independent agreement.
That logic also gives the phrase an ironic edge. Garamond’s declared distrust of originality serves a business that thrives on circulating familiar material, while the ideal of confirmation conceals how the apparent consensus has been encouraged and packaged. The sentence is therefore more than a slogan for occult publishing: it names a mechanism by which repetition can substitute for evidence, and by which a commercial echo chamber can present itself as truth.