According to Karl Brunnhölzl, "This sūtra’s presentation of buddha nature became the main scriptural basis for the discussion of tathāgatagarbha in China." Furthermore, he states, "In sum, the ''Mahāparinirvāṇasūtra'' discusses three very different meanings of all sentient beings’ possessing buddha nature—(1) all are endowed with an intrinsic pure nature of which they will become fully aware once what obscures it has been removed, (2) all possess a seed or potential for buddhahood, which will grow into its full fruition in the future once all necessary conditions are present, and (3) the mahāyāna path to buddhahood is open for all, and its result is definite if one follows this path." +
Though this is generally considered an important source text for the Madhayamaka teachings, it is quoted in the ''Uttaratantra'', though it is not explicitly cited as the source of the quotation. +
Though this work isn't necessarily about buddha-nature, it is highly relevant to this topic for Sakya Paṇḍita's criticism of the proponents of the ''Uttaratantra'' and became an important source for the Sakya school's position on the polemical issues that surround this topic. These critical positions would be reiterated by later generations of scholars of the Sakya and Geluk traditions. +
A lengthy commentary that presents the ''Uttaratantra'' in a positive light and opposes the positions of earlier scholars from Sangpu Neutok, such as Ngok and Chapa. Some scholars of the Nyingma school have mistakenly assumed this to be a work of Longchenpa. +
An important synoptic outline and commentary giving sūtra and tantra sources for the buddha-nature teachings, and containing clear positions of the author on buddha-nature. The author claims buddha-nature to be topic of ultimate nature, buddha-nature to be endowed the qualities of the buddha, and buddha-nature to be not defined as mere emptiness but rather awareness indivisible from dharmatā. +
This text argues that buddha-nature is not empty of its natural qualities but only the adventitious impurities in the context of establishing what is ontologically existent or non-existent on the conventional level. Thus, it justifies the position of the other emptiness in the context of the verifying conventional ontic reality. +
Tāranātha's expansive work on Great Madhyamaka in eight chapters. The third chapter of which is devoted to an explanation of buddha-essence (''sang rgyas kyi snying po'') and dharmadhātu (''chos kyi dbyings''). +
This treatise on Middle Way by [[People/Candrakīrti | Candrakīrti]] discusses the ten stages of Boddhisattvas, ten perfections and the nature and qualities of a buddha. A major bulk of the book dwells on the Perfection of Wisdom with focus on the explicit message of emptiness (དངོས་བསྟན་སྟོང་ཉིད་). It uses logical arguments such as the analysis of cause that is identical, different, both or neither, the analysis if result which existent, non-existent, both or neither, and the seven-fold reasoning of the chariot to establish all phenomena to be empty of self-existence or intrinsic nature.
With such emphasis on emptiness, [[People/Candrakīrti | Candrakīrti]], in this treatise, considers the sūtras teaching buddha-nature to be provisional. Buddha-nature is interpreted as another designation for emptiness and taught by the Buddha merely to help lead beings, who are scared of non-self, on the path to enlightenment. As a result, most followers of and commentators on [[People/Candrakīrti | Candrakīrti]] consider him to have rejected buddha-nature. However, [[People/Candrakīrti | Candrakīrti]]'s philosophical position regarding buddha-nature is not as straightforward as it seems, if we are accept him to be the author of the [[Texts/Pradīpoddyotana-nāma-ṭīkā | Pradīpoddyotana-nāma-ṭīkā]]. In this commentary on Guhyasamāja Tantra, which is said to have been written with instructions passed down from [[People/Nāgārjuna | Nāgārjuna]], the author accepts the innate nature of mind to be luminous and endowed with the qualities of the Buddha, argues five aggregates and elements to be buddhas in nature, and all sentient beings to possess buddha-nature. +
Almost one third of this short sūtra is quoted in Asaṅga's commentary to the ''Ratnagotravibhāga'', where it is used as a source for the exposition of the fourth ''vajrapada'', the element (''dhātu'' or ''khams''), as well as the sixth ''vajrapada'', the qualities (''guṇa'' or ''yon tan''), which are crucial aspects of the treatise's presentation of buddha-nature. +
Mikyö Dorje explains the transmission of Middle Way teachings and covers the topic of provisional and definitive teachings, buddha-nature and ultimate truth. He also comments on Candrakīrti's interpretation of buddha-nature teachings as provisional in his auto-commentary. +