Lung-gom-pa
Lung-gom-pa (Tibetan: rlung sgom pa, 'wind-meditation practitioner') is a Tibetan contemplative discipline in which years of seclusion, breath work, mantra recitation, and visualization produce a trance-state long-distance running attributed to monks of the Nyingma, Kagyu, and Bön lineages. Traditionally used by courier-monks to cross hundreds of miles of the Chang Tang plateau without food or rest, the practice coordinates each footfall with a phase of breath and a syllable of mantra until the body is experienced as empty and the runner glides over rough terrain in a fixed-gaze absorption. Alexandra David-Néel's 1924 eyewitness account in 'Magic and Mystery in Tibet' (1929) remains the principal Western record. The discipline is now essentially extinct as traditionally transmitted following the Chinese occupation of Tibet in the 1950s, though fragments of the underlying tsa-lung training survive in Yantra Yoga and the Six Yogas of Naropa.
About Lung-gom-pa
Lung-gom-pa is the Tibetan designation for an adept of rlung sgom, the meditative cultivation of the inner winds (rlung) that animate the subtle body. The compound parses as lung (rlung, 'wind' or 'vital current', cognate with Sanskrit prana), gom (sgom, 'meditation' or 'contemplative cultivation'), and pa (the agentive suffix), yielding 'wind-meditation practitioner'. The term designates a specific figure in Tibetan monastic culture: a monk trained over years of retreat to enter a trance state in which the body becomes light enough to cover enormous distances at speed, without rest and with minimal food.
The practice sits within a broader family of Vajrayana techniques that work on the nadi (channels), prana (winds), and bindu (drops) of the subtle body. It draws its theoretical framework from the tantric physiology systematized in the Guhyasamaja, Hevajra, and Kalachakra tantras, and from the Six Yogas of Naropa as transmitted in the Kagyu lineage from the eleventh century onward. The Nyingma, Kagyu, and Bön schools each preserved distinct lung-gom transmissions before the monastic infrastructure that supported them was dismantled in the twentieth century, and each framed the training slightly differently: the Nyingma through the Yantra Yoga lineage of Vairochana, the Kagyu through the Six Yogas cycle, the Bön through the older plateau traditions of wind cultivation that predate Indian Buddhism on the plateau.
Historically, lung-gom-pa served a concrete social function. Before modern transportation crossed the Tibetan plateau, message-carriers trained in lung-gom conveyed communications between monasteries and government posts across a territory larger than Western Europe. Travelers, merchants, and British colonial officials on the Indian frontier recorded encounters with such runners moving at speed across high-altitude terrain. The practice was understood as a siddhi or attainment arising from contemplative discipline rather than as athletic training in any ordinary sense, and the running itself was secondary to the absorbed state that made it possible.
The Western record rests principally on the Belgian-French explorer and Buddhist practitioner Alexandra David-Néel, whose 1929 book 'Magic and Mystery in Tibet' recounts her 1924 observation of a runner moving across the Chang Tang north of Kumbum Jampaling monastery in Amdo. Her account established the practice in European letters and inspired a century of both serious scholarship and romantic projection.
As a living discipline in its full form, lung-gom-pa did not survive the Chinese occupation of Tibet beginning in 1950. The destruction of monasteries during the Cultural Revolution, the dispersal of lineage holders into exile, and the loss of the long enclosed retreats required to complete the training severed the transmission. Contemporary Tibetan teachers describe the underlying tsa-lung work as still practiced in Nyingma, Kagyu, and Bön communities, but the specific running attainment is attested only in historical accounts and oral memory.
The Ability
The lung-gom-pa ability, as described in Tibetan sources and corroborated by a small number of foreign eyewitnesses, consists of sustained rhythmic locomotion carried out in an absorbed meditative state. The practitioner is reported to cover distances ranging from dozens to hundreds of miles in a single effort, maintain pace for days with minimal rest, and consume little food during the effort. The gait itself is described as a long, floating stride in which the feet touch the ground only briefly. Observers emphasize a bounding, almost effortless quality, as if the runner were leaping rather than running, and the body appeared unusually light to the eye.
Three defining features recur across the primary sources: trance, pace, and fixity of gaze. The trance is not a loss of consciousness but a narrowed absorption in which the practitioner's awareness rests on a single object of meditation, typically a mantra syllable or a visualized form of a yidam (meditation deity), while breath and footfall continue in fixed rhythm. The pace is sustained over hours or days rather than miles: Tibetan accounts speak of covering the distance between distant monasteries in a fraction of the time a normal traveler would require. The gaze is fixed on a distant point on the horizon, unblinking, and the practitioner is said to be unaware of obstacles at the level of ordinary perception, navigating by a deeper orientation that follows the fixed aim.
Alexandra David-Néel's 1924 account, the most cited Western description, records her sighting of a lung-gom-pa on the Chang Tang plateau north of Kumbum Jampaling monastery in Amdo. Traveling with a small party, she noticed a figure in the distance approaching at a pace that did not match any ordinary walk or run. Through field glasses she observed a lama in monastic robes moving with long, elastic strides, feet touching rocks only to rebound, eyes fixed on a point far ahead, face calm and absent. Her guide urged her not to speak to him or interrupt his progress, explaining that a lung-gom-pa whose trance is broken will collapse and may die, as the 'deity that carries him' will depart and the unsustained body will not be able to recover the effort. The runner passed close to her party without acknowledging them and continued across the plain until he vanished in the distance.
Other travelers recorded similar sightings in the first half of the twentieth century. The Italian Tibetologist Giuseppe Tucci mentioned lung-gom in his accounts of expedition travel in western Tibet during the 1930s and 1940s, treating the phenomenon as attested but difficult to verify. Ekai Kawaguchi, the Japanese monk who entered Tibet in 1900-1902 disguised as a Chinese pilgrim, referred to similar feats in his memoir 'Three Years in Tibet'. Peter Matthiessen's 1978 'The Snow Leopard' records secondhand accounts gathered during his Himalayan travel with biologist George Schaller, set against the backdrop of a tradition already in deep decline after the monastic destructions.
The reported feats can be organized along a spectrum. At the lower end are the documented capacities of trained monastic couriers who covered long distances on foot as a matter of occupational discipline, comparable in endurance terms to well-trained modern ultrarunners crossing mountain terrain. In the middle range are accounts of runners maintaining pace through the night and across multiple days with brief rests, possibly in states of partial dissociation from normal fatigue signaling. At the upper end are the miraculous accounts in which a runner is said to be carried by deities, leaps from peak to peak, or crosses a valley in a single stride. Tibetan sources themselves distinguish between ordinary, middling, and exceptional practitioners, reserving the most extravagant descriptions for figures like Milarepa and certain mahasiddhas whose attainments are understood as beyond ordinary measurement.
The ability is described as transferrable only to candidates who have completed the preparatory tsa-lung training, held the required vows, and entered prolonged retreat under a qualified teacher. It is not presented in Tibetan literature as a natural talent that can be refined by exercise alone, but as an attainment that arises when the inner winds have been gathered into the central channel and the practitioner has gained stability in the visualization of the illusory body taught in the second of the Six Yogas of Naropa. The running is understood as a physical expression of an inner condition, not a feat of muscular conditioning.
Training Method
Traditional lung-gom training is structured as a multi-year sequence of preparatory, intensive, and graduation phases, carried out under the supervision of a teacher who has completed the same training. The candidate first receives empowerment (wang), oral reading transmission (lung), and practical instruction (tri) in the relevant cycle of practice. Without these three, Tibetan sources consider the training invalid and dangerous, and no qualified teacher will proceed past the preliminary stage without them.
The preparatory phase consists of the generic foundation of Vajrayana practice. The candidate completes the common preliminaries (turning the mind toward Dharma through reflection on precious human birth, impermanence, karma, and the drawbacks of cyclic existence) and the uncommon preliminaries (ngöndro), including one hundred thousand repetitions each of refuge prostrations, Vajrasattva mantra, mandala offering, and guru yoga. This phase typically requires a year or more of retreat and is considered non-negotiable. Without the ethical stabilization and the softening of the channels that ngöndro provides, the subsequent inner work is understood to be ineffective or harmful.
The tsa-lung phase works directly on the subtle body. Tsa-lung means 'channels and winds' and refers to a body of practice in which the practitioner visualizes the three main channels (central, right, and left), the five chakras at crown, throat, heart, navel, and secret place, and the various classes of wind that circulate through them. Specific breath exercises, most importantly vase breathing (bumchen), compress the lower and upper winds at the navel chakra and train the practitioner to hold and direct prana at will. In the Kagyu transmission of the Six Yogas of Naropa, tsa-lung is the gateway to the first yoga, tummo, in which inner heat is generated by igniting the short-A syllable at the navel and drawing the winds into the central channel. Lung-gom practice proper presupposes competence in tummo, since the same gathering of winds that produces heat also produces the lightness of body required for trance running.
Once tsa-lung and tummo are stable, the candidate enters the specific lung-gom retreat. David-Néel, Namkhai Norbu, and other sources describe this as a multi-year enclosed retreat in a walled chamber, often with a small skylight as the only source of illumination, during which the practitioner sits cross-legged and performs a cycle of breath, mantra, and visualization tied to a jumping motion. The practitioner, still seated in full lotus, trains the body to rise and fall lightly by the force of the breath alone, coordinating the upward movement with an inhalation held at a specific chakra and the downward movement with a phase of mantra. Over months and years, the jumping becomes higher and lighter. Weighted robes or a weighted vest may be worn during part of the training to develop the subtle-body musculature against resistance, so that when the weights are removed the body feels unusually buoyant.
The central discipline of the running phase is the precise interlocking of three rhythms: breath, mantra, and step. Each footfall corresponds to a phase of the breath cycle (inhalation, retention, exhalation) and to a specific syllable of the mantra, usually a seed syllable or a name of the meditation deity assigned by the teacher. The visualization locks gaze and mind on a distant point, often a feature on the horizon such as a mountain peak or a tree. As the three rhythms become one, ordinary self-reference dissolves and the running continues as an impersonal event that the practitioner witnesses rather than performs. This absorption is the lung-gom trance proper, and the running capacity is understood as its direct expression rather than an additional skill.
At the end of the enclosed retreat, the candidate is released and tested in walking contests across measured terrain, traditionally to a distant monastery and back within a fixed time. Oral sources describe graduation tests in which the candidate must cover a distance within a period that would be impossible for an ordinary traveler, observed by witnesses at start and finish. Successful graduates were assigned as couriers or sent into further retreat to deepen the attainment. Failed candidates returned to ordinary monastic life without stigma, the training itself having been understood as beneficial regardless of whether the running capacity stabilized.
The training was transmitted orally within specific lineages, and the written instructions that survive (in the Six Yogas of Naropa literature, in Yantra Yoga texts associated with the eighth-century Nyingma master Vairochana, and in Bön texts on rlung work from the pre-Buddhist Zhang Zhung tradition) are framed as outlines requiring a teacher's oral explanation to be intelligible. The loss of the teaching lineages in the mid-twentieth century means that reconstruction from texts alone is considered impossible by contemporary Tibetan authorities, including senior teachers in exile who have explicitly declined to claim the lung-gom-pa capacity for themselves or their students.
Scientific Research
Direct scientific investigation of lung-gom-pa is negligible. No living practitioner has been studied under laboratory conditions, and the principal Western account predates the era of systematic field research on contemplative techniques. What exists is a small literature of textual analysis, comparative studies of endurance running, and physiological work on related practices that the lung-gom-pa training shares with better-documented disciplines.
On the textual side, the Dutch Indologist Johannes Bronkhorst has examined yogic claims of extraordinary physical attainment in his work on early Indian asceticism, noting the consistent pattern across Sanskrit and Tibetan sources of linking breath control to bodily transformation. Glenn Mullin's critical edition and translation of the Six Yogas of Naropa (1996, Snow Lion) set lung-gom within the broader architecture of Kagyu completion-stage practice and documents the technical vocabulary of channels and winds. Lati Rinpoche and Jeffrey Hopkins's 'Meditative States in Tibetan Buddhism' (1983) treats the tsa-lung preparatory work that underlies the running discipline.
The physiological question is whether the reported feats are compatible with ordinary human endurance. Sport-science literature on elite ultrarunners provides a useful benchmark. Courtney Dauwalter, Kilian Jornet, Camille Herron, and other contemporary athletes have completed hundred-mile and multi-day efforts at sustained paces over mountainous terrain. Research on the Tarahumara of Mexico's Copper Canyon, popularized by Christopher McDougall's 'Born to Run' (2009) and studied by anthropologists including Daniel Lieberman and sport physiologists at the University of Utah, documents a culture in which nonelite members routinely run fifty to one hundred miles in rarajipari ball races. These cases establish that very long distances at sustained pace are within the range of trained human beings without trance or tantric technique.
The sennichi kaihōgyō or 'thousand-day circumambulation' of the Tendai monks of Mount Hiei in Japan, documented by John Stevens in 'The Marathon Monks of Mount Hiei' (1988), offers the closest institutional parallel to lung-gom in a still-living tradition. The kaihōgyō requires the monk to cover approximately 40 kilometers per day for 100 days in each of the first three years, then 200 days per year of increasing distance, culminating in a 84-kilometer daily route. The practice combines walking, running, mantra recitation, and visualization, and includes a nine-day fast without food, water, or sleep. Fewer than 50 monks have completed it since 1885. The kaihōgyō is performed in the conscious waking state rather than trance, and its physiology is accessible to study.
The altitude physiology of the Tibetan plateau adds a further dimension. Research on Tibetan high-altitude adaptation (Cynthia Beall and colleagues at Case Western Reserve) has documented distinct hemoglobin and oxygen-saturation profiles in native highlanders that differ from Andean and sea-level populations. Any evaluation of lung-gom-pa feats must account for this native adaptation, which means that the reported pace of a Tibetan monk across the Chang Tang cannot be directly compared to the pace of an unacclimatized runner at sea level.
On the question of trance specifically, contemporary neuroscience of meditation (Richard Davidson, Antoine Lutz, and collaborators at the University of Wisconsin) has documented distinctive EEG signatures and physiological markers in long-term Tibetan meditators, including shifts in autonomic regulation and gamma-band synchrony. These findings apply to seated practice and have not been extended to movement in trance. The research gap is total: no brain or body measurement has been performed on a lung-gom-pa in motion.
The reasonable scholarly position is that the lower end of the reported spectrum (sustained multi-day courier running at trained-ultrarunner pace) is plausible on current evidence, while the upper end (pace far beyond elite athletic capacity, with minimal food and prolonged trance) remains uncorroborated and cannot be evaluated without living practitioners.
Risks & Cautions
Tibetan sources, eyewitness accounts, and contemporary teachers identify several specific dangers attached to lung-gom practice, some grounded in observable physiology and some in tantric theory.
The first and most cited hazard concerns interruption of trance. David-Néel's guide warned her not to speak to the runner they observed, explaining that a lung-gom-pa whose trance is broken mid-effort will collapse and may die. The traditional explanation is that the deity carrying the runner withdraws when the absorption is disturbed, leaving the body to absorb the full accumulated effort at once. A physiological reading suggests that a practitioner operating at the edge of cardiovascular and metabolic limits, in a dissociated state that blunts fatigue signaling, is vulnerable to sudden collapse if that dissociation lifts before the effort is complete. Either reading supports the oral prohibition on disturbing a runner in trance.
The second category of risk is inherent to tsa-lung practice itself and applies whether or not the practitioner ever progresses to running. Forcing breath retention, manipulating the inner winds without proper preparation, or attempting to ignite tummo without a qualified teacher can produce what Tibetan sources describe as rlung disorders: disturbances of the wind element that manifest as anxiety, insomnia, palpitation, pressure in the chest or head, and in severe cases what looks like a psychiatric breakdown. Contemporary Tibetan physicians practicing sowa rigpa treat rlung disorders as a recognized clinical category. The Western clinical literature on meditation-related adverse events (Willoughby Britton, Jared Lindahl, and the Varieties of Contemplative Experience project at Brown) has documented comparable presentations in retreatants who pushed breath and concentration practices without supervision.
The third risk is structural. Traditional lung-gom training requires years of enclosed retreat, a standing monastic infrastructure, consistent dietary and ritual support, and the presence of a teacher who has completed the same discipline. None of these conditions is reliably available outside an intact monastic lineage. The collapse of that infrastructure in Tibet after 1950 means that a would-be practitioner today faces a situation the tradition itself would consider reckless: attempting a technique designed for the conditions of a functioning monastery in the absence of those conditions.
A fourth risk is cultural and interpretive. The romanticization of lung-gom in Western esoteric literature, beginning with David-Néel and continuing through Theosophical and New Age authors, has produced a popular image of effortless superhuman running that obscures the discipline, austerity, and institutional support the tradition required. Peter Bishop's 'The Myth of Shangri-La' (1989) analyzes the Western projection at work in such accounts. Attempts to replicate lung-gom-pa based on the romanticized image have generally produced either disappointment or injury, since the training was never available in the form the popularizers imply.
The final loss is the tradition itself. The running lineages have not been documented to have survived the twentieth century intact. The tsa-lung foundation is preserved in places, but the specific running attainment appears to be beyond recovery in its traditional form.
Significance
Lung-gom-pa sits at the intersection of tantric physiology, monastic logistics, and the comparative study of human endurance. Its significance can be read at several levels.
Within the Vajrayana tradition, the practice demonstrates the continuity between contemplative attainment and bodily capacity. The tantric model of the human being is that mind and body are linked through the subtle body of channels, winds, and drops. Operating on the winds operates on the mind, and vice versa. Lung-gom-pa serves as a concrete example of that link: the same meditation that produces inner heat (tummo) and illusory body awareness also produces the lightness and rhythm required for trance running. The discipline is not a stunt but a consequence of the underlying theory taken to its physical conclusion.
For the comparative study of extraordinary human performance, lung-gom-pa is a limit case. It stands alongside the sennichi kaihōgyō of Mount Hiei, the long-distance running cultures of the Tarahumara and the Kalahari San, the Greek hemerodromoi of antiquity, and the modern sport of ultramarathon running as evidence that sustained locomotion over great distances is a recurring human capacity cultivated by different cultures through different means. The Tibetan path is distinctive for its explicit integration of meditative absorption as the primary training technology, where the Japanese Tendai path adds fasting and the Tarahumara path adds communal ball games and cultural expectation.
For the history of Tibetan monasticism, the courier function served by lung-gom-pa runners illuminates a practical dimension of the plateau's religious civilization. The ability to move messages across vast distances without roads, vehicles, or a postal system was a real governance problem, and the solution was folded into the monastic curriculum. This is a reminder that contemplative disciplines in premodern societies often served civic purposes invisible to modern readers who approach them only as spiritual technique.
For contemporary practitioners of yoga, pranayama, and meditation, lung-gom-pa marks an outer boundary of what the breath-centered contemplative tradition claimed to accomplish. The claim is not that every practitioner can become a trance runner, but that the same techniques that calm the mind and stabilize attention in a beginner can, when pursued over years under the right conditions, produce transformations of the body that ordinary life does not predict. Whether one credits the full traditional account or reads it conservatively, the case asks the serious practitioner to take breath work seriously as a bodily as well as mental discipline.
Connections
Lung-gom-pa is linked to a network of related disciplines within the Indo-Tibetan contemplative map. The foundation is the general category of yoga understood as cultivation of body, breath, and mind together, from which the tantric subdivisions inherit their vocabulary of channels, winds, and drops.
At the level of breath technique, lung-gom shares its mechanics with classical pranayama. Bhastrika (bellows breath) generates heat and mobilizes prana in a way closely related to the preparatory phase of tummo, while nadi shodhana (alternate-nostril breathing) is the classical tool for purifying the channels that tsa-lung practice also addresses.
The Tibetan medical understanding of wind, rlung in sowa rigpa, provides the clinical framework within which lung-gom training is understood to operate on the body. Rlung as the vital principle of movement governs respiration, circulation, speech, and the circulation of thought, and its cultivation and disturbance are central to both medicine and meditation.
The chakra system offers a further map. The muladhara at the base of the spine grounds the downward-moving wind that provides stability for long effort, while the manipura at the navel is the seat of the short-A syllable that ignites inner heat in tummo, the practice that sits immediately upstream of lung-gom.
At the level of subtle substance, prana as vital essence in Ayurvedic dhatu theory names the same principle that Tibetan rlung designates: the current that the lung-gom-pa learns to gather, direct, and ride.
Among the Six Yogas of Naropa, lung-gom is directly downstream of tummo, the inner-heat practice that gathers the winds into the central channel. Stability in the deep absorptions of samadhi and the jhana states is presupposed by the trance running capacity, since the lung-gom-pa must sustain single-pointed absorption while the body is in motion. The broader question of energetic awakening is treated under kundalini awakening, which shares vocabulary and physiology with the tantric Buddhist inner heat.
The general framework of these disciplines is treated under meditation and in the wider survey of spiritual practices across traditions.
Further Reading
- Magic and Mystery in Tibet by Alexandra David-Néel (Claud Kendall, 1929)
- The Six Yogas of Naropa: Tsongkhapa's Commentary by Glenn H. Mullin (Snow Lion, 1996)
- Meditative States in Tibetan Buddhism: The Concentrations and Formless Absorptions by Lati Rinpoche and Jeffrey Hopkins (Wisdom Publications, 1983)
- Yantra Yoga: The Tibetan Yoga of Movement by Chögyal Namkhai Norbu (Snow Lion, 2008)
- The Marathon Monks of Mount Hiei by John Stevens (Shambhala, 1988)
- Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen by Christopher McDougall (Knopf, 2009)
- The Myth of Shangri-La: Tibet, Travel Writing and the Western Creation of Sacred Landscape by Peter Bishop (University of California Press, 1989)
- The Snow Leopard by Peter Matthiessen (Viking, 1978)
Frequently Asked Questions
Is lung-gom-pa still practiced today?
Not in its traditional full form. The training required years of enclosed retreat under a teacher who had completed the same discipline, carried out within a functioning monastic infrastructure that supplied food, ritual support, and the enclosed chambers in which the preparatory work was done. That infrastructure was dismantled in Tibet after the Chinese occupation began in 1950, and the specific lung-gom transmissions do not appear to have been reconstituted in exile. What survives is the tsa-lung foundation, taught within the Nyingma, Kagyu, and Bön lineages and in the Yantra Yoga tradition transmitted by Chögyal Namkhai Norbu. A contemporary practitioner can receive legitimate instruction in the preparatory work; the running attainment itself is attested only in historical accounts and is not offered as a living curriculum by any teacher known to the scholarly literature.
How reliable is Alexandra David-Néel's account?
David-Néel was an unusually well-prepared observer. She had spent years in Tibet, spoke Tibetan, was an ordained Buddhist practitioner, and traveled under difficult conditions with local guides who could contextualize what she saw. Her 1929 book has been criticized for romanticizing and occasionally dramatizing, but the core descriptions of lung-gom and related practices are consistent with the internal Tibetan literature that was not yet available to Western readers when she wrote. Later Tibetologists including Giuseppe Tucci and Rolf Stein treated her accounts as substantive if uneven. For lung-gom specifically, her description of the runner's gait, gaze, and the oral prohibition on interruption match independent Tibetan sources, which supports the basic accuracy of her observation. The miraculous upper-end claims she records should be read as faithful report of what her informants told her rather than as her own verification.
Is lung-gom-pa the same as ultramarathon running?
No, although the two overlap at the physiological limit. Ultramarathon running is a sport pursued in conscious waking awareness, with training protocols, nutrition, and pacing designed to maximize sustained aerobic effort. Lung-gom-pa is a contemplative discipline in which the running is a consequence of deep meditative absorption produced by years of tantric training. The ultrarunner seeks performance; the lung-gom-pa seeks absorption and attains locomotion as a byproduct. At the lower end of reported lung-gom feats, the two overlap: a well-trained monastic courier covering one hundred miles in a day is doing something within the envelope of elite ultrarunning. At the upper end, the traditional accounts describe pace and lightness beyond any documented athletic capacity. These upper-end claims cannot be evaluated empirically because no living practitioner has been studied.
Can lung-gom-pa be learned from books?
The tradition itself says no. Tibetan Vajrayana practice in general requires the three pillars of empowerment (wang), oral transmission (lung), and practical instruction (tri) from a qualified teacher in an unbroken lineage. The textual materials on tsa-lung, tummo, and the Six Yogas of Naropa are written as outlines whose details are communicated orally during retreat. Attempting to reconstruct the training from written sources alone is considered both ineffective and dangerous, particularly for practices that directly manipulate the inner winds. A serious student interested in the underlying techniques can approach them through legitimate channels: Yantra Yoga instruction in the Namkhai Norbu tradition, the Six Yogas of Naropa curriculum taught in certain Kagyu and Gelug centers, or the tsa-lung foundations taught in Bön communities. These will provide access to the preparatory work without promising the specific running attainment, which is not offered as a living teaching.