This article shows that quantum mechanics and general relativity can be unified without resorting to tools formalized after their appearance, relying solely on logic, classical mathematics, and geometry, freed from the epistemological restrictions inherited from the Kantian veil. The Born rule, gravitation, and causality then emerge as reading effects of a single coherent substrate, structured by a fundamental cadence and finite differential relations,rather than as independent primitive laws. The Born rule as a sum of vectors on a circle, whose squared norm gives the weight.Gravitation emerges as a reading anisotropy, without any imported metric.Both routes share the same underlying structure: an isomorphism of reading, not a coincidence. The approach reveals a structural isomorphismbetween this grammar of reality and certain spiritual invariants, not as theological proof, but as ontological convergence.Chapters I through IX thus constitute an unbridled ontological inquiry, which prepares and makes possible the technical closure proposed in this final chapter.