To live as if there were a Plan: the philosopher’s stone
Foucault's Pendulum“To live as if there were a Plan: the philosopher’s stone” is a compact expression of the novel’s response to uncertainty: when no guaranteed design can be found, a person may still choose to live as though one existed. The phrase makes that choice sound at once like a practical transformation and an impossible quest, offering a provisional way to inhabit the unknown rather than proof that the unknown has been solved.
Meaning and Form
The expression joins a conditional—living as if there were a Plan—to the philosopher’s stone, the fabled goal of alchemy. The qualification matters: it does not assert that a Plan has been discovered. Instead, it describes a way of acting in the absence of certainty, turning a belief one cannot verify into a possible orientation for life. The philosopher’s stone thus figures not a confirmed answer but the hoped-for conversion of uncertainty into something one can use.
The Plan and the Unknowable
In the novel’s surrounding reflections, the Plan is associated with the Unknowable One: when religion fails, art may supply an invented pattern, and even a human plot can fill the resulting void. The expression distills that movement from absence to construction. A plan may offer coherence without becoming evidence that the universe itself has a hidden design; its force lies in how a person lives by it, not in any guarantee that it is objectively true.
Existential Stakes
The phrase holds together two possibilities that it cannot finally reconcile. Living as though there were a Plan can give uncertainty a shape, but it can also make a chosen fiction feel like an answer. Its conditional wording preserves that tension: the strategy may offer a way forward, yet it does not eliminate doubt or establish that the pattern will hold. The philosopher’s stone is therefore less a solved secret than an image of the desired transformation—the attempt to make an inhabitable meaning from what remains unknowable.