Miraculous Key, US Tour 1986 རིགས་བསྡུས་འཕྲུལ་གྱི་ལྡེ་མིག

English translation by Jules Levinson.

Definition of a Person, valid and non valid cognition, the appearing and discriminating object, definition a non conceptual and non mistaken consciousness, definition of 'mind', definition of a self-knower rang rigs, def. of a yogic direct perceiver, definition of contradictory, def. of positive phenomena by refuting the object of negation, generality and particularity, def. of separate-  and different, def. of collection and parts, definition - definiendum and illustrations tse sum pervade all objects of knowledge, (1:26:00) Quote of Tilopa to Naropa: 'My son, it's not appearances that matter, it's your attachment....'