The paramount teachings of the most illustrious teachers of Tibet and India, who have transmitted their teachings to the people of Occident, are the base of this book. In Book I, hereof, an account of the marellous superhuman life and secret doctrines of the Great Guru Padmasambhava. Book II expounds the quintessence of the Supreme Path, the Mathayana, and reveals the yogic methods of attaining the Great Liberation of Nirvana by means of knowing the one mind.