རིག་སྟོང་ཆོས་ཟད་དགོངས་པ་བླ་མའི་ཞལ།།
The wisdom of awareness and emptiness conjoined the exhaustion of all phenomena which is the actual face of the guru
Guru Yoga, Tibetan Masters, Shechen Gyaltsab Gyurme Pema Namgyal, Longchen Rabjam