Deep Incarnation articulates an expanded theology of the incarnation in which the Logos does not merely assume human nature in its narrow anthropological specificity, but enters into the very "flesh" of the world—into matter, biological life, and the evolutionary history of the cosmos. In this view, the incarnation is not confined to the human sphere but constitutes a radical divine involvement in the deepest structures of creaturely existence, extending to vulnerability, suffering, and transformation. The divine is thus not conceived as external to the world but as present within its most intimate dynamisms. This framework resonates with the philosophical proposal of relative monism, which emerges as a critical alternative to the rigid dichotomy between monism and dualism. Rather than collapsing all reality into a single substance or positing an unbridgeable gap between created and uncreated, relative monism affirms an ontological unity that is intrinsically relational and capable of sustaining genuine plurality. A lineage of thought from Maximus the Confessor through John Scotus Eriugena to Nicholas of Cusa anticipates this vision: Maximus conceives the logoi of all creatures as grounded in the one Logos, maintaining both distinction and unity; Eriugena interprets reality as a dynamic theophany in which God and creation are inseparable yet non-identical moments of a single process; and Cusa articulates the coincidentia oppositorum, in which unity and multiplicity converge without erasure. Within this intellectual horizon, relative monism provides a conceptual matrix for reinterpreting Teilhard de Chardin's Cosmic Christ, allowing the singularity of Jesus to be understood not as an isolated exception but as the personal center in which the cosmic and historical dimensions of Christ converge. In this synthesis, the uniqueness of Jesus is preserved precisely by situating it within the broader relational unity of the cosmos, rather than apart from it.