The Benefits of the Vajra Guru Mantra by Tulku Karma Lingpa 

The Benefits of the Vajra Guru Mantra by Tulku Karma Lingpa
The Benefits of the Vajra Guru Mantra
And an Explanation of Its Syllables
A Treasure Text Revealed by Tulku Karma Lingpa
I prostrate to the Guru, the Yidam and the Ḍākinī.
I, the lowly woman Yeshe Tsogyal, made a great outer, inner and secret maṇḍala offering and humbly asked:
“O, Master Lotus Born, the work you have done for the welfare of all sentient beings here in Tibet, in this and in future lives, is vast. No one of such extreme kindness has ever come before, nor shall any come again. The practices you have given us are like essential nectar; though I am a lowly woman, of this I have no doubt. However, sentient beings in the future will have profuse thoughts and tremendous aggression; they will have wrong views towards the Holy Dharma, and in particular they will blaspheme the supreme teachings of the Secret Mantra. At that time, plague, famine and war will be widespread amongst sentient beings, and in particular, China, Tibet and Mongolia will be destroyed like ants’ nests, and a time of terrible suffering will befall the Tibetans.
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