Meister Eckhart, a 14th-century German mystic and theologian, presents a unique and often provocative understanding of God that diverges significantly from traditional Christian theology in several key respects. Firstly, Eckhart's conception of God is deeply rooted in apophatic or negative theology, which emphasizes what God is not rather than what God is. Traditional theology often attempts to define God through positive attributes like omnipotence, omniscience, and benevolence. In contrast, Eckhart suggests that God transcends all such human concepts and categories. He famously speaks of the "God beyond God," implying that the true essence of the divine is beyond any conceptualization or naming, leading to a mysticism of unknowing where true union with God involves stripping away all preconceived notions.
Secondly, Eckhart introduces the idea of the "Godhead" (Gottheit in German), which differs from the more personal "God" of conventional Christianity. The Godhead is an ineffable, unmanifest aspect of divinity that exists beyond even the Trinity. While traditional Christian theology might focus on the personal God of the Father, Son, and Holy Spirit, Eckhart's Godhead is a more abstract, primordial unity from which all emanates, yet remains untouched by creation. This notion challenges the anthropomorphic depictions of God common in Christian iconography and theology, which emphasize a God who interacts with humanity in personal ways, such as the incarnation of Christ or the divine acts described in the Bible.
Furthermore, Eckhart's understanding of the soul's relationship with God is profoundly mystical and involves a radical interior journey. He speaks of "birth of God" in the soul, suggesting an inner transformation where the individual self dissolves into the divine essence. Traditional Christian theology might describe salvation in terms of grace, repentance, and adherence to moral laws, often emphasizing the external acts of faith like sacraments or church attendance. Eckhart, however, focuses on an internal, mystical union where the soul becomes one with God through a process of detachment from all that is not divine, including material desires, ego, and even the conventional understanding of God itself.
Lastly, Eckhart's teachings touch on the concept of "detachment" (Abgeschiedenheit), which goes far beyond the Christian virtue of detachment from worldly goods to include detachment from all images of God. This aspect of his thought could be interpreted as subversive to traditional Christian practices that rely on religious imagery, rituals, or doctrines as intermediaries between humans and God. For Eckhart, true spiritual progress involves a direct, unmediated encounter with the divine, which starkly contrasts with the institutional, doctrinal, and often hierarchical approaches of mainstream Christianity, where the church plays a pivotal role in guiding spiritual life. His views, thus, invite a personal, immediate experience of God that might be seen as both liberating and challenging to orthodox Christianity.
An enlightening abstract of Eckhart's mystical theology.
I would recommend for further reading
Clint Johnson: Paradox at Play - Metaphor in Meister Eckhart's Sermons
(With previously unpublished sermons)
The Catholic University of America Press