The essential internal and external preparatory practices required before entering the path of Great Perfection (Dzogchen), in the form of an accessible and lucid commentary on the first part of Patrul Rinpoche's "Words of My Perfect Teacher". Also included is a section on daily meditations and recitations. Khetsun Sangpo Rinpoche's commentary contains the classical Nyingma presentation of the tantric practices that lead to the realization of Buddhahood.