The Words of My Perfect Teacher, a Guide to the Preliminaries for the Heart-essence of the Vast Expanse from the Great Perfection, sets out the paths of the four main schools of Tibetan Buddhism without any conflict between them.

It contains all the teachings, including the Steps of the Path for those of the three levels of understanding, along with the Three Main Themes of the Path; the Three Perceptions, preliminaries for the Path and Fruit; the Buddha Nature as the cause, precious human life as the support, the spiritual friend as the impetus, his instructions as the method, and the kayas and wisdoms as the result, these representing the confluence of the Kadampa and Mahamudra traditions; and the Nyingma path in terms of determination to be free through disgust for sarilsara, faith through confidence in the effect of actions, bodhicitta through striving to help others, and pure perception of the utter purity of everything there is.

For all teachings on all practices, whether preliminaries or main, this text is indispensable.
                      --Dilgo Khyentse Rinpoche