In fourteenth- and fifteenth-century Tibet there was great ferment about what makes enlightenment possible since systems of self-liberation must show what factors pre-exist in the mind that allow for transformation into a state of freedom from suffering. This controversy about the nature of mind which persists to the present day raises many [...] book first presents the final exposition of special insight by Tsong-kha-pa, the founder of the Ge-luk-pa order of Tibetan Buddhism in his medium-length Exposition of the Stages of the Path as well as the sections on the object of negation and on the two truths in his Illumination of the Thought: Extensive Explanation of Chandrakirti's Supplement to Nagarjuna's "Treatise on the Middle." It then details the views of his predecessor Dol-po-pa Shay-rap Gyel-tsen, the seminal author of philosophical treatises of the Jo-nang-pa order as found in his Mountain Doctrine followed by an analysis of Tsong-kha-pa's reactions. By contrasting the two systems-Dol-po-pa's doctrine of other-emptiness and Tsong-kha-pa's doctrine of self-emptiness-both views emerge more clearly,contributing to a fuller picture of reality as viewed in Tibetan Buddhism. Tsong-kha-pa's Final Exposition of Wisdom brilliantly explicates ignorance and wisdom, explains the relationship between dependent-arising and emptiness, shows how to meditate on emptiness, and explains what it means to view phenomena as like illusions.