it will cause the naked consciousness to be recognized as the Clear Light; and, thirdly, recognizing one’s own self [thus], one becometh permanently united with the Dharma-Kāya and Liberation will be certain.
This passage states the soteriological function of the Clear Light: recognition of naked consciousness as Clear Light is identical with union with the Dharmakāya and guarantees Liberation, distinguishing further between Primary and Secondary Clear Light stages.
, The Tibetan Book of the Dead (Evans-Wentz Edition), 1927thesis