essence is immutable, perfectly pure and most noble."
The Changeless Nature, Buddha Nature, Page 66, No. 148, (Buddhism, Words of Arya Maitreya, Author: Acarya Asanga)
"It is uncreated and indivisible, utterly purged, purified of the two extremes, definitively liberated from the obscurations three - the defilements, ideational knowledge and blockages to meditative mastery: stainless, completely beyond concept, and through being the domain of the Yogi . . . essentially pure, it is clarity."
The Changeless Nature, Enlightenment, Page 90, No. 212-213, (Buddhism, Words of Arya Maitreya, Author: Acarya Asanga)