What is Christian Mysticism? The Hidden Stream Within the Church

By Thalira Wisdom

What Is Christian Mysticism?

Christian mysticism is the tradition within Christianity that prioritizes direct, experiential knowledge of God over intellectual knowledge about God. While theology operates through concepts, doctrines, and rational argument, mysticism operates through prayer, contemplation, and the cultivation of inner states that bring the practitioner into direct contact with the divine presence.

The word "mysticism" derives from the Greek "mystikos," meaning "hidden" or "secret." In the early Christian context, it referred to the hidden spiritual meanings of scripture, the inner reality of the sacraments, and the direct contemplative experience of God that transcends ordinary understanding. The mystic is one who has tasted this hidden dimension of the faith rather than merely believing in it.

Christian mystics across the centuries share several common themes. They describe a process of purification (purgation) in which attachments, illusions, and egoic patterns are gradually dissolved. They describe a stage of illumination in which the soul begins to perceive spiritual realities directly. And they describe a stage of union (unio mystica) in which the boundary between self and God becomes transparent, though the self is not destroyed but rather completed in God.

This threefold path of purgation, illumination, and union was systematized by the anonymous 5th-century author known as Pseudo-Dionysius the Areopagite, whose works profoundly influenced virtually all subsequent Christian mysticism. His text "The Mystical Theology" introduced the concept of "apophatic" or "negative" theology, the approach to God through the systematic negation of everything that God is not, since the divine reality ultimately exceeds all concepts and categories.

The history of Christian mysticism is not a straightforward story of progress. Mystics have frequently found themselves in tension with institutional authority. Some were canonized (Teresa of Avila, John of the Cross). Others were condemned (Meister Eckhart, Madame Guyon). The tension arises because mystical experience, by its nature, claims a direct relationship with God that does not depend entirely on the mediating structures of the church. This makes mysticism both precious and dangerous from an institutional perspective.

The Desert Fathers and Mothers

The earliest systematic practice of Christian mysticism emerged in the deserts of Egypt, Palestine, and Syria during the 3rd and 4th centuries. Men and women withdrew from the cities of the Roman Empire to pursue God in solitude, establishing the foundations of Christian monasticism and contemplative prayer.

Anthony the Great (c. 251-356 CE) is traditionally regarded as the father of Christian monasticism. According to his biography by Athanasius of Alexandria, Anthony sold his possessions, gave the proceeds to the poor, and withdrew to the Egyptian desert to live in solitary prayer and ascetic practice for over twenty years. His Life of Anthony, one of the most influential texts in Christian history, describes his battles with demons (understood as inner psychological and spiritual forces as well as external entities) and his gradual attainment of a state of deep inner peace and spiritual authority.

The Desert Fathers and Mothers developed a body of practical wisdom about the spiritual life that remains remarkably relevant. The "Sayings of the Desert Fathers" (Apophthegmata Patrum) consists of short, pithy teachings attributed to individual monks and nuns. These sayings address the full range of human spiritual experience: dealing with anger, lust, pride, acedia (spiritual boredom), distraction in prayer, relationships with others, and the cultivation of humility, patience, and inner silence.

Evagrius Ponticus (345-399 CE) was one of the most sophisticated thinkers among the Desert Fathers. He developed a psychology of spiritual development that identified eight "logismoi" (thought patterns or passions) that obstruct the contemplative life: gluttony, lust, avarice, sadness, anger, acedia, vainglory, and pride. This list was later adapted by Pope Gregory I into the seven deadly sins. Evagrius also described three stages of spiritual development: praktike (the active purification of the passions), physike (natural contemplation, seeing God in creation), and theologia (direct knowledge of God in pure prayer).

The desert mothers (ammas) are less well documented but equally important. Amma Syncletica of Alexandria taught that spiritual warfare intensifies rather than decreases as one advances in the contemplative life. Amma Sarah lived for sixty years beside a river in the desert, fighting the temptation of lust with prayer rather than avoidance, demonstrating that the desert path was one of engagement with human nature rather than escape from it.

The practices developed in the desert, including repetitive prayer (the forerunner of the Jesus Prayer), lectio divina (contemplative reading of scripture), and the cultivation of apatheia (a state of inner freedom from the passions, not to be confused with modern apathy), remain the core of Christian contemplative practice to this day.

Meister Eckhart and the Rhineland Mystics

Meister Eckhart (c. 1260-1328) is perhaps the most intellectually radical and spiritually daring of all Christian mystics. A Dominican friar, university professor, and administrator, Eckhart preached and wrote in both Latin and German, making profound mystical teachings accessible to ordinary people as well as scholars.

Eckhart's central teaching concerns the "Funklein" or "divine spark" in the soul. He taught that at the deepest ground of the human soul there exists something that is not created but is identical with the divine nature itself. This spark is the point where God and the soul meet in perfect unity. The mystical path, for Eckhart, consists of "breaking through" the layers of created selfhood to discover this uncreated ground.

The key to this breakthrough is what Eckhart called "Gelassenheit," usually translated as "detachment" or "letting-go-ness." This is not ordinary renunciation (giving up particular things) but a radical release of all clinging, including clinging to spiritual experiences, to one's own virtue, and even to God as an object of the mind. Only when the soul has released everything, Eckhart teaches, does it discover the God who is beyond all concepts of God.

Eckhart's language frequently pushes beyond conventional theological boundaries. He speaks of "the Godhead beyond God," meaning the divine reality that transcends even our concepts of a personal God. He describes the soul as being "so noble that it cannot be named," and he speaks of a "birth of God in the soul" that occurs in every moment of genuine detachment. These formulations alarmed the ecclesiastical authorities, and in 1329, after Eckhart's death, Pope John XXII condemned seventeen of his propositions as heretical and eleven as suspect.

Despite the condemnation, Eckhart's influence continued through his students, particularly Johannes Tauler (c. 1300-1361) and Henry Suso (c. 1295-1366). Tauler developed Eckhart's teachings in a more pastoral direction, emphasizing the practical dimension of Gelassenheit in daily life. Suso expressed the mystical path through intensely poetic and devotional language. Together, they form the "Rhineland School" of mysticism, one of the richest currents in Western spiritual history.

The anonymous text "Theologia Germanica" (c. 1350) emerged from the same tradition. Martin Luther, who discovered the text in the early 16th century, praised it highly, saying that aside from the Bible and Augustine, he had never encountered a book from which he learned more about God, Christ, and humanity. The Theologia Germanica teaches a path of inner transformation through the complete surrender of self-will to the divine will, a teaching that bridges the Catholic mystical tradition and the Protestant Reformation.

Teresa of Avila and the Interior Castle

Teresa of Avila (1515-1582) provided one of the most systematic, psychologically detailed, and practically useful descriptions of the contemplative journey in the entire Christian tradition. A Spanish Carmelite nun who combined profound mystical experience with extraordinary administrative ability (she reformed and expanded the Carmelite order while writing her spiritual masterworks), Teresa is one of only four women declared Doctor of the Church by the Roman Catholic tradition.

Her greatest work, "The Interior Castle" (Las Moradas), written in 1577, describes the soul as a castle made of crystal, containing seven concentric dwelling places (moradas or mansions). God dwells at the centre. The spiritual journey consists of moving inward through successive mansions, each of which involves deeper prayer, greater self-knowledge, and more complete surrender to divine action.

The first three mansions involve active prayer and moral development. The soul practices vocal prayer, meditation, and the examination of conscience. It struggles with distractions, attachments, and the temptations that Evagrius catalogued a thousand years earlier. Progress through these mansions depends primarily on the practitioner's own effort and determination.

The fourth mansion represents a turning point. Here, "the prayer of quiet" begins, in which God's presence becomes directly perceptible as a gentle interior warmth, sweetness, or expansion that is qualitatively different from anything the practitioner can produce through their own effort. Teresa is careful to distinguish this genuine spiritual experience from emotional enthusiasm or imaginary consolation.

The fifth through seventh mansions describe progressively deeper states of contemplative union. In the fifth mansion, the "prayer of union" involves a temporary suspension of the ordinary faculties, during which the soul is entirely absorbed in God. In the sixth mansion, the soul experiences ecstasies, visions, locutions (inner speech), and the "spiritual betrothal" with God. In the seventh mansion, the "spiritual marriage" is consummated: the soul achieves a permanent state of union with God that persists through all activities, even amid suffering and difficulty.

John of the Cross and the Dark Night

John of the Cross (San Juan de la Cruz, 1542-1591), Teresa of Avila's friend, collaborator, and fellow reformer of the Carmelite order, is considered one of the greatest mystical poets and theologians in the Christian tradition. His concept of the "Dark Night of the Soul" has entered common language, though it is frequently misunderstood.

John describes two "dark nights" through which the soul passes on its journey to divine union. The first is the "dark night of the senses," in which God withdraws the consolations and pleasures that characterized earlier stages of prayer. The practitioner who had found joy, peace, and enthusiasm in spiritual practice suddenly finds only dryness, boredom, and absence. This is not a punishment or a failure but a necessary purification: the soul must learn to love God for God's sake rather than for the pleasurable experiences that prayer produces.

The second is the "dark night of the spirit," a more radical and agonizing experience in which the soul feels abandoned not only by consolation but by God. All sense of divine presence disappears. Prayer becomes impossible. The practitioner may experience spiritual desolation so profound that it resembles despair. John teaches that this devastating experience is, paradoxically, the sign of advanced spiritual development: God is working at depths of the soul that the conscious mind cannot perceive or access.

John's poetry, particularly "The Dark Night" (Noche oscura) and "The Spiritual Canticle" (Cantico espiritual), expresses the mystical journey in language of extraordinary beauty and sensual intensity. The Dark Night poem describes the soul slipping out of its house at night, guided only by an inner fire, to meet the Beloved in the garden, where "I abandoned and forgot myself, laying my face on my Beloved; all things ceased, and I went out from myself, leaving my cares forgotten among the lilies."

The practical relevance of John's teaching lies in its normalizing of spiritual difficulty. Many practitioners abandon contemplative practice when the initial enthusiasm fades and prayer becomes dry. John teaches that this dryness is not a sign of failure but of growth. The soul is being weaned from dependence on pleasant experiences so that it can encounter God in a deeper, more stable, and more mature way.

The Cloud of Unknowing and Theologia Germanica

The Cloud of Unknowing, written by an anonymous English author in the late 14th century, is one of the most accessible and practically useful texts in the Christian mystical tradition. It teaches a form of contemplative prayer that is strikingly similar to practices found in Zen Buddhism and in the modern centering prayer movement.

The author instructs the practitioner to place a "cloud of forgetting" beneath them, releasing all thoughts, memories, and considerations of created things. Then, with naked love and simple intention, the practitioner is to reach toward God through the "cloud of unknowing" that separates the human mind from the divine reality. God, the author insists, cannot be known by thought but only by love.

The practice itself is straightforward. When thoughts arise during prayer (and they will), the practitioner is advised to gently set them aside by focusing on a single word, such as "God" or "Love," used not as a mantra but as a simple expression of the intention to be with God. This one-word prayer, repeated whenever attention wanders, gradually stills the discursive mind and opens the deeper faculty of contemplative awareness.

The Theologia Germanica, mentioned earlier in connection with the Rhineland mystics, shares the Cloud's emphasis on the surrender of self-will. It teaches that all human suffering arises from the assertion of the "I" and the "mine," and that the remedy is to allow the divine will to flow through the self without obstruction. When the self is truly surrendered, the text teaches, one discovers that the divine life has been present all along, obscured only by the ego's constant self-assertion.

Both texts have had enormous influence beyond the boundaries of formal Christianity. The Cloud of Unknowing influenced Aldous Huxley's concept of the "perennial philosophy," and its method is now practiced by Christians, non-Christians, and secular meditators alike. The Theologia Germanica's emphasis on inner experience over external forms anticipated many themes of the Reformation and of modern spiritual but not religious sensibility.

Hesychasm and the Jesus Prayer

Hesychasm (from the Greek hesychia, meaning "stillness," "quiet," or "inner peace") is the contemplative tradition of Eastern Orthodox Christianity. It represents perhaps the most direct and continuous line of mystical practice in the Christian world, stretching from the Desert Fathers of the 4th century to living practitioners in Orthodox monasteries today.

The heart of hesychast practice is the Jesus Prayer: "Lord Jesus Christ, Son of God, have mercy on me, a sinner" (or shorter forms such as "Lord Jesus Christ, have mercy on me" or simply "Lord, have mercy"). The prayer is repeated continuously, first vocally, then mentally, with the aim of bringing it from the head into the heart, so that it becomes an unceasing interior movement synchronized with the breath and heartbeat.

The hesychast tradition describes a specific physical technique for prayer. The practitioner sits with the chin lowered toward the chest, eyes directed toward the heart centre, breathing slowly and rhythmically. The Jesus Prayer is coordinated with the breath: "Lord Jesus Christ, Son of God" on the inhalation, "have mercy on me, a sinner" on the exhalation. This coordination of breath, attention, and prayer word creates a state of concentrated inner stillness.

Gregory Palamas (1296-1359) provided the theological framework for hesychasm during the Hesychast Controversy of the 14th century. When hesychast monks on Mount Athos reported perceiving the uncreated light of God (the same light that shone from Christ at the Transfiguration on Mount Tabor), their critics accused them of claiming to see God's essence, which theology declared impossible. Palamas resolved the dispute by distinguishing between God's essence (which is indeed unknowable) and God's energies (which permeate creation and can be directly experienced). The uncreated light, Palamas taught, is a real divine energy, not a created phenomenon or a metaphor.

This distinction between essence and energies has profound implications. It means that genuine mystical experience is possible: humans can truly encounter God, not merely ideas about God, because God's energies are present throughout creation and are accessible to the purified heart. At the same time, the mystery of God's innermost nature remains forever beyond human comprehension. The mystic knows God through direct experience of the divine energies while acknowledging that the ultimate mystery remains.

The classic text on hesychast practice is "The Way of a Pilgrim," a 19th-century Russian narrative about a wanderer who learns the Jesus Prayer and discovers its power to transform every aspect of daily life. The pilgrim describes how the prayer eventually becomes self-acting, continuing in the heart even during sleep, creating a continuous inner connection to the divine presence.

Rudolf Steiner's Esoteric Christianity

Rudolf Steiner (1861-1925) developed a comprehensive approach to Christianity that he called esoteric Christianity, integrating traditional mystical insight with his own spiritual-scientific investigation of the supersensible worlds.

Steiner's central teaching about Christianity concerns the nature of the Christ event. He taught that the incarnation, death, and resurrection of Christ were not merely historical events but cosmic events that fundamentally altered the spiritual constitution of the earth and of humanity. The Christ, in Steiner's understanding, is not only a divine being who appeared in human form but a cosmic being whose descent into matter transformed the very substance of the earth, making possible a new relationship between spirit and matter.

Steiner interpreted the Gospels as initiation documents, texts that describe not merely external events but inner spiritual experiences that the authors underwent or perceived through supersensible vision. The Gospel of John, he argued, was written by an initiate who described the Christ event from the standpoint of direct spiritual perception. The raising of Lazarus was not a physical resuscitation but a spiritual initiation through which Lazarus attained higher consciousness and became "the disciple whom Jesus loved."

The Mystery of Golgotha, as Steiner called the Crucifixion and Resurrection, represents the turning point of all earthly evolution. Before this event, Steiner taught, the spiritual forces that sustain human consciousness were gradually withdrawing from the earth. Had this process continued, humanity would have lost the capacity for spiritual experience entirely. The Christ being entered the stream of earthly evolution through the death on Golgotha, infusing the earth with new spiritual forces that make continued spiritual development possible.

Steiner connected his esoteric Christianity with practical applications in education (Waldorf schools), agriculture (biodynamic farming), medicine (anthroposophic medicine), and the arts (eurythmy). Each of these practical domains is understood as an expression of the Christ impulse working in earthly affairs. The Rudolf Steiner collection at Thalira offers resources for engaging with his work, including the Integrated Human course and the Esoteric Christianity Research Support materials.

Contemplative Practices in Christian Mysticism

The Christian mystical tradition has developed numerous contemplative practices over its two-thousand-year history. These practices share a common goal: the transformation of ordinary consciousness into a state receptive to divine presence.

Lectio Divina (Sacred Reading): This ancient practice involves reading a short passage of scripture slowly and receptively, not for information but for encounter. The traditional form involves four stages: lectio (reading the text aloud slowly), meditatio (reflecting on a word or phrase that stands out), oratio (responding in prayer), and contemplatio (resting in silent awareness). Lectio divina transforms reading from a mental exercise into a form of communion.

Centering Prayer: Developed by Thomas Keating, Basil Pennington, and William Meninger in the 1970s, centering prayer is a modern adaptation of the Cloud of Unknowing method. It involves sitting silently for 20 minutes with a sacred word as an anchor, gently returning to the word whenever thoughts arise. Centering prayer is now practiced by millions worldwide and has been the subject of clinical research showing benefits for stress reduction, emotional regulation, and wellbeing.

The Examen: Developed by Ignatius of Loyola (1491-1556), the Examen is a daily review practice in which the practitioner recalls the events of the day, noticing where they felt most alive, grateful, and connected to God (consolation) and where they felt most drained, anxious, or disconnected (desolation). This practice develops the ability to discern spiritual movements in daily life.

The Rosary and Repetitive Prayer: While often practiced as vocal prayer, the Rosary and similar repetitive prayer forms can become contemplative practices when the words serve as a container for deeper awareness. The rhythmic repetition of familiar prayers can still the discursive mind and open the heart to contemplative experience, much as a mantra functions in Hindu and Buddhist traditions.

Fasting and Asceticism: The Christian mystical tradition includes physical practices designed to support spiritual development. Fasting (reducing or eliminating food intake for specified periods) is understood not as punishment but as a means of increasing inner sensitivity and breaking the dominance of physical appetites over spiritual awareness. The Desert Fathers practiced extreme asceticism; modern contemplatives generally favor moderate practices that support rather than damage physical health.

Christian Mysticism Today

The contemporary revival of Christian mysticism is one of the most significant spiritual developments of the past half-century. After centuries of being marginalized by the Reformation emphasis on scripture and the Counter-Reformation emphasis on obedience, the contemplative tradition has resurged with remarkable energy.

Thomas Merton (1915-1968), a Trappist monk at the Abbey of Gethsemani in Kentucky, was perhaps the single most influential figure in this revival. His autobiography, "The Seven Storey Mountain" (1948), introduced millions of readers to the contemplative life. His later works explored the relationship between Christian contemplation and Zen Buddhism, Sufism, and Taoism, demonstrating that the contemplative dimension is a meeting ground where traditions can communicate at a depth beyond doctrinal difference.

Richard Rohr, a Franciscan friar and founder of the Center for Action and Contemplation, has brought Christian mystical teachings to a wide audience through books including "The Universal Christ" and "Falling Upward." Rohr emphasizes the "both/and" quality of mystical perception as opposed to the "either/or" quality of dualistic thinking, and he identifies contemplative practice as the means by which this perceptual shift occurs.

Cynthia Bourgeault, an Episcopal priest and contemplative teacher, has connected the Christian mystical tradition with the modern understanding of consciousness and with the teachings of G.I. Gurdjieff, creating a bridge between traditional contemplative practice and contemporary integral spirituality. Her work on "centering prayer and inner awakening" provides practical guidance for modern practitioners.

In the Eastern Orthodox world, hesychasm has never ceased to be a living practice. Mount Athos, the monastic peninsula in northern Greece, remains home to communities that practice the Jesus Prayer and hesychast contemplation in direct continuity with Gregory Palamas and the Desert Fathers. The publication of the Philokalia (a collection of hesychast texts spanning from the 4th to the 15th centuries) in accessible English translation has made these teachings widely available for the first time.

Crystals for Contemplative Practice

While crystals are not part of the traditional Christian mystical toolkit, many contemporary contemplative practitioners have found that specific stones support the inner states cultivated in contemplative prayer. The principle is simple: certain crystals resonate with the frequencies of stillness, receptivity, and spiritual openness that contemplative practice cultivates.

Amethyst: Associated with the crown and third eye chakras, Amethyst supports the stilling of mental chatter and the opening to spiritual perception. Its purple colour has been associated with spiritual royalty since antiquity (purple was the colour of priesthood in the Roman world), and amethyst was one of the stones in the priestly breastplate described in the Book of Exodus. The Amethyst Crystal Sphere can serve as a visual focus during contemplative prayer, combining the crystal's properties with the sphere's symbolism of wholeness and unity.

Clear Quartz: Clear Quartz amplifies intention and supports the clarity of inner perception. Its transparency serves as a natural symbol of the "pure heart" that the Beatitudes promise will "see God" (Matthew 5:8). Using a Clear Quartz during centering prayer can amplify the intention expressed by the sacred word.

Selenite: Named after the Greek moon goddess Selene, Selenite is associated with angelic communication and higher consciousness. Its luminous white appearance and calming energy support the inner stillness that hesychast and centering prayer practices cultivate.

Rose Quartz: The stone of unconditional love. Rose Quartz supports the "prayer of the heart" that is central to hesychast practice. Holding a Rose Quartz at the heart centre during the Jesus Prayer can help direct awareness from the head to the heart, the essential movement in hesychast contemplation. The Heart Chakra Crystals Set provides a comprehensive collection for heart-centred prayer and meditation.