Spirituality Studies 95 Georges Antaby 5.2 East and West: Models of Ecclesial Unity Ecclesial unity between East and West is fundamentally theological and spiritual rather than merely institutional. Deseille, Daniélou, and Clément propose complementary models of communion centered on three dimensions: conversion, doctrinal continuity, and reconciliatory witness – each with concrete implications for spiritual practice. For Deseille, unity begins with interior conversion (Deseille 1994, 45–68, 89–112). Rooted in an ascetical vision, communion is a gift of the Spirit realized through holiness. Practices such as prayer, fasting, repentance, and sacramental participation form the foundation of unity. As John Paul II affirms, authentic communion must arise from spiritual renewal (John Paul II 1995, § 4–6, 24–28). Yet conversion alone cannot resolve doctrinal divergences; theological clarification remains necessary. Daniélou offers a complementary model grounded in doctrinal communion (Daniélou 1958, 13–41, 213–229). Theology, as scientia fidei, plays a critical role in discerning continuity amid diversity. Unity is preserved through fidelity to the apostolic faith and clarified through theological reflection. Spiritual practice here takes the form of formation within tradition: Scripture, catechesis, liturgy, and engagement with the Fathers cultivate a shared doctrinal consciousness within the Church. Clément proposes a third model centered on reconciliation and witness (Clément 1986, 60–74; 1993, 63–78). Unity is expressed through dialogue, encounter, and symbolic mediation. Practices such as hospitality, cultural engagement, and participation in liturgical and aesthetic life foster a relational understanding of communion. However, such openness must remain anchored in doctrinal truth to avoid ambiguity. Clément’s model implies forms of spiritual practice oriented toward encounter. Hospitality, dialogue, cultural engagement, and contemplative attentiveness to the symbolic life of the Church become central expressions of communion. Taken together, these models show that ecclesial unity requires the integration of spiritual conversion, doctrinal fidelity, and dialogical openness. Communion thus emerges not from a single strategy but from the convergence of these complementary paths within the life of the Church. 5.3 Specific Contributions to Spiritual Practice in Contemporary Ecumenism The theological trajectories of Deseille, Daniélou, and Clément converge in a complementary vision of ecumenism integrating holiness, doctrinal truth, and dialogical witness. What we can learn, affirm and understand is that: A) Without holiness, unity is illusory. we learn that unity cannot be reduced to structural agreements or theological consensus. Authentic communion presupposes holiness. Ecumenism, if divorced from ascetical renewal and spiritual purification, risks becoming a merely diplomatic enterprise (Deseille 1994, 93–101). The return to the Fathers is therefore a summons to interior conversion. Basil of Caesarea links orthodoxy with sanctification, insisting that confession of faith must be embodied in prayer and ecclesial life (Basil of Caesarea 2011, 9). As John Paul II affirms, genuine unity arises from spiritual renewal (John Paul II 1995, § 4–6). Yet holiness alone is insufficient without doctrinal clarity. B) Without shared truth, unity is emptied of content. We affirm that Ecumenical rapprochement must rest upon shared adherence to the apostolic faith, historically transmitted and articulated through dogmatic development (Daniélou 1958, 213–229). Unity devoid of doctrinal coherence risks degenerating into relativism or sentimentalism. Doctrinal development preserves continuity while clarifying differences, as seen in the patristic resolution of controversies (Athanasius of Alexandria 2011, 54:3). Congar likewise stresses that Tradition is both living and normative, ensuring fidelity amid diversity (Congar 1962, 23–36). Daniélou’s contribution to ecumenism lies in his insistence that theological dialogue must clarify real divergences rather than obscure them. Without shared truth, unity becomes vacuous. However, doctrinal clarity alone is insufficient if it fails to communicate persuasively in contemporary contexts.
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