Just out — a new catalogue of 88 Tibetan manuscripts from the Dunhuang cave, held here at the British Library but previously neglected because they were catalogued in the sequence dedicated to Chinese Dunhuang manuscripts (Or.8210). This catalogue was begun by Tsuguhito Takeuchi of Kobe University, who passed it on to Kazushi Iwao, who worked with me directly on the manuscripts at the British Library. The catalogue includes some manuscripts that I have previously written about here, such as this divination text, this text on bon-po funeral rituals, and this fragment of the Testament of Ba. The catalogue is the first in a new series published by the Toyo Bunko: Studies in Old Tibetan Texts from Central Asia. You can download PDF files of the whole book at the Toyo Bunko’s website, here.
The four-sided, pointed stick pictured above was found in the desert fortress of Miran by Aurel Stein in 1907. Along with the most of Stein’s acquisitions, it was then sent to London, where it was placed in the India Office Library, to be ignored by almost everyone except the librarian FW Thomas, who attempted to read the Tibetan writing on all of its four sides, and published his translation in his Tibetan Literary Texts and Documents in the 1950s.
The stick is all that remains of a ritual performance, which is recorded in Tibetan writing on each of its four sides. The writing tells us that this was a ritual for a local deity (yul lha) carried out by a team of ritual specialists including a bon po. Like the other documents from Miran, it dates from the time when the fort was an outpost of the Tibetan empire, which began to fall apart in the middle of the 9th century. This stick probably dates from a few years (perhaps a few decades) before that collapse.
So what we have seems to be a record of the actual performance of a ritual dating back to the time of the Tibetan empire. I think this must be by far the earliest reliable documentary evidence of the actual ritual activities of people identifying themselves as bon po.
Why is this interesting? There has been a debate going on in Tibetological circles for some time about the early non-Buddhist Tibetan religion, which was probably not known as Bon but was practised by ritualists known as bon po. The relationship between this early complex of ritual practices and the religion known as Bonpo (now accepted as one of the schools of Tibetan Buddhism) is complicated. Modern scholarship has cast doubt on the accounts of the Bonpo tradition about its own history, transmitted in texts which generally date from after the 10th century. Those attempting to understand the nature of the early non-Buddhist Tibetan religion have often turned to the Dunhuang manuscripts as an alternative source of evidence (I wrote more about this a while ago in this post).
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There are quite a few manuscripts from Dunhuang about non-Buddhist ritual practices like funerals, divination and healing. I could write much more about them, but to show why the wooden dockets from Miran are so interesting, I’ll just say why the Dunhuang sources are somewhat unsatisfactory. First, as the Dunhuang cave seems to have been sealed in the early 11th century, these manuscripts may not date from much earlier than the transmitted texts of the Bonpo tradition, weakening claims by scholars that they are the more authentic sources. Second, the Dunhuang manuscripts are literary sources (though probably derived from oral traditions), mostly narratives or paradigms which would have presumably have supported ritual practice, but are not evidence for what people were actually doing.
On the other hand, the dockets from Miran can be dated, with some confidence, to the 9th century, and probably to Tibet’s imperial era. As records of actual ritual events, they let us know that this was not a merely a literary tradition, but a living practice. And unlike the literary texts, they are firmly local, telling us who the officiants of the ritual were, why the ritual was carried out, and the local deities to whom the ritual was addressed. The offer us the chance to see the activities of the bon po (as well as other ritual officiants like gshen), “on the ground.”
So, what kinds of rituals were being performed for the Tibetan military officials of the Miran fort? Unsurprisingly, there are quite a few records of funerals (see for example IOL Tib N 330). It is difficult to work out exactly what happened in the course of these rituals (despite Thomas’s valiant attempts at translation). It looks to me like the main aim of the funeral was to guide the “mental principle” (thugs) of the deceased to the right level (gral). One of the practices accompanying this seems to be a libation offering: most of the funeral records specify a precise number of spoonfuls (yams) of a sacred beverage (skyems) to be offered. Reference to a “beverage offering” (skyems gsol) in the Old Tibetan Annals suggests that some form of this practice goes back to the 7th century or earlier.
But it is only in another kind of ritual, the supplication of local deities, that we find the four-sided pointed sticks like the one at the top of this post. I don’t know the reason for the stick’s being carved into this shape, and any ideas would be welcomed (could it represent an arrow, for example?). The ritual supplications are directed to a variety of deities, including the local deities (yul lha), and minor spirits like sman and g.yang. In these rituals, the main officiant is called lha bon po, that term lha presumably indicating his special role towards deities. The other officiant is the gshen, and it is interesting to see that it was the norm, rather than the exception, for these two types of ritualist to work together.
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There’s much more to be said about these ritual dockets, but I’ll conclude with a thought about the people who produced them. Clearly they were the soldiers and officials manning the outposts of the Tibetan empire in Central Asia. In two cases, we have the names of the people who either officiated or commissioned the ritual, and they both have the high official rank of blon. So it seems that well after the official adoption of Buddhism as the Tibetan state religion, the practice of non-Buddhist rituals was common (perhaps even standard) among the Tibetan ruling class. In a sense, this shouldn’t surprise us. Perhaps more surprising is that one of the dockets (IOL Tib N 279) mentions the presence of 21 Buddhist monks (dge ‘dun) at a funeral ritual. It is difficult to say from this source whether these monks were carrying out the role normally performed by the bon po or were just in attendance at a (non-Buddhist) funeral for a deceased member of their sangha. Either scenario is intriguing.
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I have written an article on these and other early sources on non-Buddhist Tibetan ritual practice, provisionally titled “The Naming of Tibetan Religion: Bon and Chos in the Imperial Period,”which will come out at some point in the near-ish future, and I’ll post a notification when it does.
FW Thomas’s translations can be found in the section “Government and Social Conditions” of his Tibetan Literary Texts and Documents concerning Chinese Turkestan, Part II: Documents, Royal Asiatic Society, London, 1951.
For some interesting discussion of the term bon in the early period, and the dates of the Dunhuang sources, see Henk Blezer, “Ston pa gshen rab: Six Marriages and Many More Funerals.” Revue d’Études Tibétaines 15 (2008): 421–479. PDF available right here.
The reference to skyems gsol in the Old Tibetan Annals is in the year 682-3. See the translation at p.94 of Brandon Dotson’s The Old Tibetan Annals: An Annotated Translation of Tibet’s First History. Vienna: Verlag der Österreichischen Akademie der Wissenschaften, 2009. The Tibetan text of the Annals and many early ritual texts from Dunhuang are freely available over at OTDO.
I also recommend having a look at Vincent Bellezza’s translation of a narrative on the “golden libation” (gser skems) recently found in the Gathang stupa.
Finally, for all other matters bibliographic see Dan Martin’s extensive online Bon bibliography.
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Afterthought on the date of the Miran documents
While we know that Dunhuang was swept away from the Tibetans in the year 848, the exact date of the fall of Miran is unknown. In The Tibetan Empire in Central Asia (p.172), Christopher Beckwith states that Miran remained in Tibetan hands into the 850s, but then “passed out of the historian’s ken”. It seems likely to me that this passing out of history was accompanied by the swift decline of the fort as a functional part of the Tibetan empire. Without the imperial support network that kept these outposts going (of which we know quite a lot from many of the other wooden documents from Miran), it is not likely that they could have continued to function for very long. Their Tibetan inhabitants would then have returned to Tibet proper, or to the nearest cities with large Tibetophone populations, like Liangzhou. In their language and palaeography, the ritual dockets belong among the military documents that form the bulk of the Miran manuscripts, and thus I think should be considered a part of the culture of imperial Tibet, even if their exact terminus ad quem is not known.
I am very sad indeed to hear of the sudden and unexpected death of André Alexander. I had only recently finished working with him on an article based on one of his many conservation projects. Working with André was interesting, educational, and a lot of fun. Like many, many others, I will miss him. If you don’t know his work, please go on to read about his Tibet Heritage Fund here, and have a look at the introduction to his Temples of Lhasa here. Below I reproduce some words by Per Sørensen on André’s many achievements.
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Dr Andre Alexander
17 January 1965 – 21 January 2012
It is with profound regret and in deepest sorrow that we announce the death of Dr Andre Alexander at the age of 47.
Andre had just turned 47 this very week, and was full of enthusiasm and commitment. Over 10 years ago, he co-founded the successful, widely acclaimed and much respected Tibet Heritage Fund (THF) committed to the preservation and documentation of the unique Tibetan architectural monuments and heritage. The organization has launched a large number of rehabilitation projects throughout Central Asia intended to benefit and assist the local residents.
His organization has been involved in assisting local communities in the wake of natural disasters, earthquakes (Yushu) and flashfloods (Ladakh and Sikkim), and initiated countless conservation and restoration projects of sanctuaries and monasteries in India, Tibet, China and Mongolia.
His enthusiasm ensured that the THF won a steadily larger number of supporters who all shared Andre’s quest and vision of preserving the wonderful Tibetan architectural heritage.
A number of still unpublished books now await publication. A large study on vernacular housing and architecture in Lhasa (originally submitted as doctoral thesis in Berlin), the second volume of the Tibet Heritage Fund’s conservation inventory is due to appear in 2012 with Serindia Publications and another large study on Tibetan imperial architecture was under way. We hope that this work too will soon be completed.
Andre was a passionate and colourful person, totally committed to his vision of documenting and preserving, against all odds, the unique Tibetan architecture.
He and his most dedicated friends at THF received numerous awards for their commitment: they twice received the UNESCO Asia-Pacific Heritage Awards and the Global Vision Award for a number of their cultural heritage projects, and they were featured on BBC’s series on Heritage Heroes 2011.
Andre – You will be sorely missed. RIP.
The vast amount of biographical and autobiographical literature produced in Tibet over the centuries is an interesting phenomenon. For a culture so pervaded by the Buddha’s teaching of non-self, there is an awful lot of writing about the lives of individuals. And, interestingly, this is something that was not done to the same extent in India, the primary source of Tibetan Buddhism. Biographical writing in Tibet began in earnest after the ‘later diffusion’ of Buddhism from the eleventh century onwards, in new lineages like the Kadam and Kagyu. So we don’t have much in the Dunhuang collections that could be called ‘religious biography’, but what we do have is intriguing, and I’d like to point out two manuscripts which might help us understand the origins of Tibetan Buddhist biographical writing.
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The first manuscript, Pelliot tibétain 996, was one of the first Tibetan manuscripts from Dunhuang to be published in a full edition and translation, done by Marcelle Lalou in 1936. It is an account of a lineage of Chan teachers, giving very brief accounts of their lives and deaths. In the case of the monk Namkhai Nyingpo, most of the ‘life-story’ is about the auspicious events surrounding his death:
When the teacher Namkai Nyingpo donated a statue to the incarnation at Triga Shingyon, light emanated from it. Later, when he was living in the retreat centre of Yamyog, there were miraculous signs including the passing over of a five-coloured cloud. One day, when he was practising the dharma path, and had just completed his vow to abide in the good qualities of recitation (he was 71, and it was the 29th day of the spring of the year of the dog, and he was at the Zhongpong hermitage), he sat cross-legged and unmoving, and passed away, without any change in his complexion. That night, in the middle of the sky between the mountain range of Zhongpong, which extends below the retreat centre, and Mount Srinpo, two great streams of light emerged and lit up the whole of the realm, before disappearing into the west.
The text goes on to tell of the homages that were paid to Namkhai Nyingpo by other Chan masters, and the feast offering that was held in his honour, which was also accompanied by miraculous lights. One of the striking things about this passage (and the others like it in the same text) is that it seems to prefigure the ‘rainbow body’ phenomena said to accompany the death of Dzogchen masters (this has been pointed out by Matthew Kapstein in “The Divine Presence of Light”). But that is to look ahead by several centuries. Closer to the time and place of this manuscript, there is a parallel in a Chinese manuscript on cloud divination, which has this passage:
Whenever a five-colour vapour is seen above someone’s house and it remains there steadily during the last days of the month, the first day of the following one [...] morning, and if [the vapour above] the house has mostly greenish-blue, this is the vapour of a dead body; if mostly red, it is the vapour of gold and jade; if mostly yellow, this house will go through extensive renovation works; if mostly white, this land has copper and iron; if mostly black, this house will serve as the abode of the divine spirit (shen).
This is from Imre Galambos’s translation of Or.8210/S.3326 (to see the complete text click here). I’m sure Sinologists will be able to come up with many other examples of cloud and light imagery. As for the light disappearing towards the west, this looks like an allusion to Sukhāvati, the western pure land of the buddha Amitabha. In any case, it’s clear that the life (or death) stories in Pelliot tibétain 996 are ‘biographical’ and thus some of the earliest examples of Tibetan religious biography. Though a truly international lineage (with a Central Asian, two Chinese and two Tibetan monks), the lineage, and many of the motifs in it, are Chinese.
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So what of the other biography? Unlike Pelliot tibétain 996, which was published some seven decades ago, Pelliot tibétain 149 was completely unstudied when I selected it for a reading class at SOAS. Intrigued by this brief text (just a single, closely written folio), I worked on it some more with Lewis Doney, who had taken the class, and we published an article about it in 2009 (click here for the PDF of that article). The manuscript is a brief introduction to the hugely popular prayer known as (in one of the shorter forms of the name) the Bhadracaryā-praṇidhāna. It begins with the story of Sudana, the hero of the Gaṇḍhavyūha sutra, going in search of the prayer, and eventually receiving it from Samantabhadra himself.
Next the action shifts to Tibet, where the Tibetan translation of the prayer becomes the daily practice of the abbot of Samye, Ba Palyang. The abbot has a dream, which he can’t explain, of thousands of people gathered in seven golden courtyards. He goes to ask the emperor, Tri Song Detsen, who goes to ask the Indian scholar known as Khenpo Bodhisattva (AKA Śāntarakṣita), who interprets the dream to mean that the abbot should recite the prayer continuously for three days and three nights.
This task proves too much for the abbot, who goes to the emperor and explains that due to his physical frailties, he has not been able to do as he was told. So, he asks for leave to go to somewhere more conducive, the mountain retreat of Chimpu. The emperor not only agrees, but gallantly escorts the abbot for the first day’s riding out of Lhasa. Before they part, the emperor and the abbot each place a hand on the other’s heart and recite the prayer together.
As he approaches Chimpu, the abbot is met by two strangers, who tell him that they have seen strange omens, including rainbows appearing in the sky, and a voice telling them to go and meet Ba Palyang. When the abbot tells them of his own dream, they agree that they should all travel together. As they travel they recite the prayer together. When they reach the part about perceiving the buddha Amitabha and going to the land of Sukhāvati, they ascend into the sky, cast away their bodies, and arrive in the pure land itself.
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So, we can see that this second biographical fragment is somewhat different from the first. It is not a description of a lineage per se, but rather a narrative framework for a sacred text, one that links the Tibetan text to the Indian original through parallel stories (the spiritual searches of Sudana and Ba Palyang) rather than through a person-to-person lineage. And yet there are many of the features that we associate with religious biography, including personal spiritual development in reliance on scriptural transmission, a certain degree of personal fallibility, which is overcome, and an auspicious end to the life-story (even if in this case that end comes unexpectedly swiftly).
But it’s interesting, as well, that these two precursors of the Tibetan biographical tradition, apparently coming from quite different contexts, have so much in common: both lives are told in terms of dreams and/or visions, and end with the apotheosis of the subject in the pure land of Amitabha. We can probably agree that the aim of the authors of both works was to generate faith and awe — but in what? Surely not simply in the individual figures of Ba Palyang and Namkai Nyingpo.
In our first example, the life-story is told in the context of a Buddhist lineage, and in the second, in the context of a Buddhist text and its recitation. In the uncertain period after the fall of the Tibetan empire, these two things, lineages and the texts/practices they transmitted, were the tenuous means by which the Buddha’s teachings would survive or fall in Tibet. I know one can’t draw wide-ranging conclusions from such a small pool of evidence, but I am tempted to say that what we are seeing is a the appearance of religious biographical writing at a pressure point in history, when the Buddhist institutions introduced by the Tibetan emperors were crumbling, and nothing had yet emerged to take their place.
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Janet Gyatso, Apparitions of the Self: The Secret Autobiographies of a Tibetan Visionary. Princeton: Princeton University Press, 1998.
Matthew Kapstein (ed.), The Presence of Light: Divine Radiance and Religious Experience. Chicago: University of Chicago Press, 2004.
Marcelle Lalou. “Document tibétain sur l’expansion du dhyāna chinois.” Journale Asiatique (1939): 505–523.
Sam van Schaik and Lewis Doney. The Prayer, the Priest and the Tsenpo: An Early Buddhist Narrative from Dunhuang.” Journal of the International Association of Buddhist Studies 30.1–2 (2007): 175–217.
* There is an online PDF of Helmut Eimer’s “The Development of the Biographical Traditional Concerning Atiśa here.
Pelliot tibetain 996, 2v, l.2: mkhan po nam ka’i snyIng pos/ khri ga shIng yong gi sprul pa la/ mchod pa bgyis pa las/ sku gzugs las ‘od byung ngo/ slar yam yog gi dben sar bzhud pa’i tshe/ mtshon sna lnga’i sprin gyis bskyal ba las stsogs pa’i ya mtshan byung ngo/ tshe gcig tu chos lam sgom zhing/ dbyangs pa’i yon tan la gnas pa’i yi dam mthar phyin nas/ lo bdun cu rtsa gcig ste/ khyi’i lo’i dphyid slar ba tshes nyi shu dgu la/ zhong pong gi dgon sar skyil mo grung ma g.yos/ mdangs ma gyur par dus las ‘das so/ de’i nub mo nam gi gung la/ dben sa’i lta ‘og gi zhong pong gi ri rgyud nas/ sring po ri’i bar gi nam ka la ‘od chen po gnyis rgyud chags su byung bas yul phyogs [3r] gsal bar gyur te/ nub phyogs su ‘das par gyur te/
Before anyone else points it out, I should say that in talking about ‘religious biography’ here I have ignored the rich biographical narratives in the Old Tibetan Chronicle and other early Tibetan sources that are not explicitly Buddhist. There are also other Buddhist texts that might be arguable biographical, like IOL Tib J 370, which I wrote about on this site a while ago.
Another brief note to say that my new book, Manuscripts and Travellers, co-authored with Imre Galambos (who also writes the Shahon blog) has just been published. Since it retails at just shy of 100 Euros, I don’t expect you to rush out and buy it, but I hope it will come to a library near you soon. The book is about on a manuscript which was carried by a Chinese monk through the Tibetan monasteries just east of Lake Kokonor, as part of his pilgrimage to India. The manuscript includes a series of Tibetan letters of introduction addressed to the heads of monasteries along the route. It dates to the late 960s, coinciding with the large pilgrimage movement during the reign of Emperor Taizu of the Northern Song, and is a unique contemporary testimony of this movement. The letters to and from high-ranking Tibetan monks show the vibrancy of the Tibetan monasteries in Amdo during this period, towards the end of Tibet’s ‘era of fragmentation’.
I’ve decided to put small announcements of my new publications here, along with the longer topic posts. There won’t be too many of them, and I promise to keep them short! So, just out is my article co-written with André Alexander, ”The Stone Maitreya of Leh: The Rediscovery and Recovery of an Early Tibetan Monument” in the Journal of the Royal Asiatic Society. Here’s the abstract:
The rediscovery, conservation and repositioning of an ancient stone carved Buddha in Leh, Ladakh is one of the most important events in recent years for students of early Tibetan history and religion. Uncovering an inscription next to the carving has made it possible to date this artefact to the eleventh century or even earlier, while deciphering the inscription has confirmed that the figure should be identified as the Buddha Maitreya. This identification permits a better understanding of how the cult of Maitreya among of the emperors of imperial Tibet extended to western Tibet, and how the Maitreya images of western Tibet represent a specific local iconography.
You can download a PDF of the article by clicking here.
I’ve managed four posts on Tibetan Chan without mentioning the question of whether the Chinese meditation tradition known as Chan influenced the Tibetan meditation tradition known as Dzogchen. Or, to put it in the stronger version, whether Dzogchen is just a disguised form of Chan. Partly, I’ve left the question alone because it doesn’t seem that interesting to me. It seems evident that if you spend a while with Chan and Dzogchen texts from the time when the influence is supposed to have taken place (the 8th/9th centuries) that there is one clear difference between the two: they are in dialogue with two different kinds of scripture. That is to say, Chan is a tradition in dialogue with the sutras, while Dzogchen is in dialogue with the tantras.
Though nobody (with the notable exception of Jeffrey Broughton) has recently gone into print trying to prove that Dzogchen came from Chan, the idea hasn’t gone away. It was repeated to me recently, and insistently, by a very intelligent and very nice Indologist. And now that I’m involved in a research project on Tibetan Chan, I’ve decided to stop avoiding the issue, partly to try to show why “was Dzogchen influenced by Chan” is a bad question, partly to argue that when Chan and Dzogchen did come together, it was a case of them converging at the same point, rather than one influencing the other. That will be in an article which will probably come out next year. For now, I’d like to look at a very short Chan text, and make a very simple point.
The point is this – people who have said that there must be some kind of influence passing from Chan to Dzogchen have come to this belief because the texts look similar. However they justify the argument, it is the similarity in the language used in these two meditation traditions that caught their eye. (And this is surely true of the polemics in the Tibetan tradition itself as well as modern scholars like Guiseppe Tucci.) But, as we all know, apparent similarities can be misleading.
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Let’s look at the text. It is found in the compendium IOL Tib J 709, and is presented as the teaching of a certain ’Gal na yas. So far nobody has identified this figure, but I think I have — the name seems to be a somewhat garbled rendering of Haklenayaśas, the 23rd patriarch of Chan. (The Chinese version of his name, by the way, is Helenayeshe 鶴勒那夜奢, and that initial H would have been pronounced more like G in this period.) The teaching attributed to this Indian master is “the instantaneous approach to the Madhyamaka”:-
There are many gates to meditation in the Mahāyāna. The ultimate among them is the instantaneous approach to the Madhyamaka. The instantaneous approach has no method. One cultivates the nature of reality in this way: phenomena are mind, and mind is uncreated. In that it is uncreated, it is emptiness. Since it is like the sky, it is not a field of activity for the six sense-faculties. This emptiness is what we call vivid awareness. Yet within that vivid awareness there is no such thing as vivid awareness. Therefore without remaining in the insights gained from studying, cultivate the essential sameness of all phenomena.
The tone of this is certainly similar to many Dzogchen texts. Take for example these lines from the Dzogchen text found in another Dunhuang manuscript, IOL Tib J 647 (for more on which see this post, and the comments):
The mind itself, which is without basis or root,
Is not to be found through effort; it is like the sky.
Enlightenment which is uncreated
Is enlightenment free from cause and effect.
I think you can probably see why there might be a temptation to say, “they’re so similar, one must have come from the other!” After all, they both talk about the mind being like the sky, and about not engaging in conventional methods to realize enlightenment (and I could find another quote to illustrate that Dzogchen texts also talk about the sameness of all phenomena). But hang on a minute — all of this language is also found in Buddhist scripture, in both the sutras and the tantras. Readers of Tibetan might like to check this at the online resources of the Universities of Virginia or Vienna. So what we have here is a case of a shared basis.
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There are also, though somewhat hidden in translation, quite a few differences in the terminology between Tibetan Chan and Dzogchen texts. Looking back to the teaching attributed to Haklenayaśas, we see the key term “vivid awareness” plays a key role. Now the Tibetan term behind this is tshor, and it is translating the Chinese character jue 覺. In Chan, this term means the clear and present awareness that arises in meditation.
This meaning of tshor is specific to literature translated from Chinese, and original Tibetan Chan texts based on that literature. It’s a fairly central concept for Tibetan Chan texts, but elsewhere in Tibetan Buddhist writing, tshor means something completely different, Sanskrit vedanā, which is one of the five aggregates, usually translated as “feeling”. And tshor meaning “vivid awareness” does not, as far as I know, ever appear in Dzogchen texts.
So, to sum up, the similarities that Dzogchen texts share with Chan texts are also shared with the sutras and tantras, while the differences show that the two genres come out of quite different environments. This is not to say that no Tibetan ever held transmissions of both Chan and Dzogchen texts; in fact it is highly likely that several did. There might have been some instances of cross-pollination. I’m not trying to hermetically seal Dzogchen away from Chan, but I hope I’ve shown why arguments based on the fact that they look similar are not going to take us very far.
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IOL Tib J 709, 42v: $/:/mkhan po ‘gal na yas bs[am] g+tan gI snying po bshad pa’// theg pa chen po’i bsam gtan gI sgo yang mang ste// de’I nang na dam pa nI don dbu ma la cig car ‘jug pa yIn te// cIg car ‘jug pa la nI thabs myed de// chos nyId kyI rang bzhIn la bsgom mo// de la chos nI sems sems nI ma skyes pa ‘o// ma skyes pa nI stong pa ste// dper naM ka dang ‘dra bas// dbang po drug gI spyod yul ma yin bas na// stong pa de nI tshor ba zhes bya ‘o// tshor nas nI tshor ba nyId kyang myed de// de bas na thos pa dang bsam pa’i shes shes [sic] rab la/ ma gnas par chos mnyam pa nyId la sgoms shig ces bshad do//: ://
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For statements about Chan influencing Dzogchen, see:
Jeffrey Broughton. 1983. “Early Ch’an Schools in Tibet.” In Robert Gimello and Peter N. Gregory (eds.), Studies in Ch’an and Hua-yen. Honolulu: University of Hawaii Press. 1-68
Giuseppe Tucci. 1958. Minor Buddhist Texts: Part II. Rome: Is.M.E.O.
On the term tshor in Tibetan Chan texts, see:
Luis Gomez. 1983. “The Direct and the Gradual Approaches of Zen Master Mahâyâna: Fragments of the Teachings of Mo-ho-yen.” In Robert M. Gimello and Peter N. Gregory (eds.), Studies in Ch’an and Hua-yen. Honolulu: University of Hawaii Press. 69-168.
For an argument against Tucci, basically the tenth-century argument of the Lamp for the Eyes of Contemplation, see:
Kenneth Tanaka and Raymond Robertson. 1992. “A Ch’an Text from Tun-huang” Implications for Ch’an Influence on Tibetan Buddhism.” In Steven Goodman and Ronald Davidson (eds.), Tibetan Buddhism: Reason and Revelation. New York: SUNY Press. 57–78.