The great 13th century Tibetan scholar, Sakya Pandita Kunga Gyaltsen, who was skilled in all five fields of science, a Sanskrit scholar, and the fourth of the five Sakya forefathers, composed this major text on valid cognition and logic.

At Marpa House in Bouddha, 21 January - 7 March 1994, Rinpoche elucidates it to an assembly of Tibetans and his senior students.

Tibetan only

33 talks, audio