Explaining the emptiness of afflictive mind and the emptiness of purified mind, reviewing the section, "The Equality of Saṃsāra and Nirvāṇa", from Chapter 12.

Describing the three factors that make the cultivation of excellent qualities, reviewing the sections, "Excellent Qualities Can Be Cultivated Limitlessly" and "Afflictive Mental States and the Nature of the Mind" from Chapter 12.

Explaining the obscurations to the mind and factors for liberation, reviewing the sections, "The Mind's Potential," and "Is Liberation Possible?", from Chapter 12

Explaining how tantra manifests the subtlest mind-wind and uses it to accumulate merit and wisdom and attain full enlightenment, completing the section, "Levels of Mind", from Chapter 12

Explaining what it means to say that the innate clear light is the mind is creator of samsara and nirvana, continuing the teaching from the section, "Levels of Mind" from Chapter 12.

Explaining the subtle levels of mind according to sutra and tantra, completing the section, "The Equlaity of Samsara and Nirvana" and starting the section, "Levels of Mind", from Chapter 12.

Explaining how things are not findable under conventional and ultimate analysis, continuing the section "Equality of Samsara and Nirvana", from Chapter 12

Continuing the explanation of "one taste" of samsara and nirvana, emphasizing the importance of establishing conventional existence before the realization of emptiness, from the section "The Equality of Samsara and Nirvana" from Chapter 12.

Describing the meaning of "one taste in emptiness", beginning the section, "The Equality of Samsara and Nirvana" from Chapter 12

Explaining dormant and manifest aspects of rigpa and subtlest clear light mind, completing the section "Afflictive Mental States and the Nature of the Mind” from Chapter 12