Rule Three of the Plan
Foucault's PendulumRule Three of the Plan is the requirement that the Plan’s connections must be borrowed, not invented. By insisting that associations have already been made—and that repeated ones are more persuasive—it makes familiarity seem like proof and exposes the method by which the Plan turns a collection of historical and cultural fragments into an apparently coherent secret tradition.
The Rule of Prior Connections
The Plan begins with a metaphor of a crossword puzzle whose squares are empty and whose definitions are missing. But its makers do not cross words through shared letters: they cross concepts and events. Rule Three supplies a constraint for those crossings: every connection must have existed before, and the more often it has been made, the better. The rule does not ask whether a link is historically sound; it asks whether it is already recognizable.
That distinction gives the method its persuasive force. An association repeated by others can feel obvious, and what feels obvious can be mistaken for truth. The Plan’s connections gain authority not from new evidence or original discovery, but from the accumulated familiarity of inherited claims.
Tradition as a Source of Authority
The rule is attributed to Signor Garamond’s publishing idea: books produced for the Diabolicals must not innovate, but repeat what has already been said. Their credibility is made to depend on fidelity to Tradition. Repetition, in this arrangement, is not merely a literary practice; it is presented as a warrant for belief.
The principle also reveals the circular logic of the Plan. Existing associations are treated as credible because they recur, while their recurrence is then taken as evidence that the connections are true. The rule converts the circulation of an idea into apparent confirmation, without establishing that the idea itself is accurate.
How the Rule Shapes the Plan
The speakers acknowledge that they did not invent the material: they arranged pieces. Colonel Ardenti had done the same, but less effectively. He was less educated and possessed fewer pieces, so his arrangement was clumsier. The contrast makes the Plan’s apparent richness a consequence of selection and combination, not proof of a hidden design.
Rule Three therefore helps explain both the Plan’s construction and its danger. Once familiar links are gathered and placed into a continuous pattern, the arrangement can look discovered rather than made. Its coherence is manufactured from prior associations; repetition lends the manufacture an air of inevitability.