There is no mention of this particular mind training instruction in Shönu Gyalchok's Compendium of WeII-Uttered Insights. However, Lechen Künga Gyaltsen's Lamp Illuminating the History of the Kadam Tradition (p. 8) identifies Dromtönpa as the origin of this instruction and asserts that Ngülchu Thokmé Sangpo wrote a guide on this instruction. The Treasury of Gems (p. 195), on the other hand, recognizes the instruction as being initially developed by the Kadam master Phuchungwa (1031-1106). Phuchungwa, whose actual name was Shönu Gyaltsen, was one of the three famous Kadam brothers and later became the source of the so-called Kadam lineage of pith instructions. It is intriguing to note, however, that in the brief presentation of the lineage of this instruction found at the end of this short work, the author of this text fails to include Phuchungwa on the list, which seems to support Lechen's statement that the instruction originated from Drontönpa rather than Phuchungwa. It is also difficult to speculate who the actual author of this work is. (Thupten Jinpa, Mind Training: The Great Collection, 637n811)
| Citation | rten 'brel snying po'i khrid yig [རྟེན་འབྲེལ་སྙིང་པོའི་ཁྲིད་ཡིག།]. [Guide to the Heart of Dependent Origination]. |
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