གཞི་དབྱིངས་ཀ་དག་འགྱུར་མེད་ཀུན་ཁྱབ་ཀློང་།།
The dhātu of the ground is an all-pervasive expanse that is unchanging and primordially pure;
Long-Life Prayers, Tibetan Masters, Shechen Rabjam Rinpoche, Dzongsar Khyentse Rinpoche