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New Book Examines the Oneness and Trinity of God Through Scripture and Early Church Teaching
Hegumen Abraam Sleman's new book explores the biblical and patristic foundations of the Christian doctrine of the Trinity.
Published on Mar. 2, 2026
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Hegumen Abraam Sleman, a Coptic Orthodox priest and theologian, has released a new book titled "The Oneness and Trinity: A Biblical Perspective" that offers a biblically grounded and pastorally focused exploration of the Christian doctrine of the Trinity. Drawing from Scripture and the writings of the early Church Fathers, the book presents the Trinity not as a philosophical construct but as the living self-revelation of the one true God.
Why it matters
The book aims to strengthen Christian worship and faith by deepening understanding of who God is and how He reveals Himself as the one true God in three Persons - Father, Son, and Holy Spirit. It addresses common misunderstandings of Trinitarian doctrine and affirms the historic Nicene faith in clear and accessible language.
The details
The work begins with the Holy Name of God - Yahweh - and traces the biblical witness to God's oneness from the Old Testament through the New Testament. It uses Christ's image of the True Vine to present the Father as the eternal Source of life, the Son as the Word and self-expression of the Father, and the Holy Spirit as the living Breath and power of God, allowing readers to grasp divine unity as living communion rather than abstract theory. The book explores God's oneness in creation, incarnation, redemption, sanctification, and eternal glory, integrating biblical exegesis, patristic testimony, and pastoral reflection.
- The Oneness and Trinity: A Biblical Perspective was released on March 2, 2026.
The players
Hegumen Abraam Sleman
A Coptic Orthodox priest serving at St. Mark Coptic Orthodox Church in Jersey City, New Jersey, and the author of numerous works on biblical theology, monotheism, Christology, and the Holy Spirit.
St. Mark Coptic Orthodox Church
The church where Hegumen Abraam Sleman serves as a priest in Jersey City, New Jersey.
What they’re saying
“God's oneness is not diminished by His revelation as Father, Son, and Holy Spirit; it is made known as a living communion of love revealed in Scripture.”
— Hegumen Abraam Sleman, Author (EINPresswire.com)
What’s next
The book is available for purchase on Amazon, and readers can learn more about the author and his work on his website, https://www.frsleman.org.
The takeaway
This book offers a biblically grounded and pastorally focused exploration of the Christian doctrine of the Trinity, strengthening understanding of the one true God revealed as Father, Son, and Holy Spirit, and how this Trinitarian revelation is rooted in Scripture and the early Church Fathers.
