Toh 4258Untitled
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Exposition of Toh 4258 — The Tibetan Treatise Collection
Background
Toh 4258 is a treatise belonging to the Tengyur, the Treatise Collection of the Tibetan Buddhist Canon compiled in the eighth and ninth centuries in the East. This was the height of Tibetan Buddhism, when Indian and Tibetan scholars completed the work of translating the sacred Mahāyāna texts from Sanskrit into Tibetan.
The Northern Tibetan Mahāyāna tradition inherited by this treatise is a synthesis of Yogācāra philosophy, Madhyamaka, and distinctive elements of Tibetan meditation. The Tengyur is a vast collection of commentaries explaining the sacred texts of the Buddhadharma, compiled under the guidance of masters such as Prince Jinamitra and the translator Rinchen Zangpo.
Although the precise title of Toh 4258 has not been fully provided, its position in the Treatise Collection makes it highly likely that this treatise is a śāstra explaining some aspect of the Mahāyāna Dharma, perhaps concerning the theory of nonduality, the nature of mind (citta), or Buddha-nature.
Main Content
Treatises in this tradition commonly focus on two principal pillars: first, the analysis of counteragents (pratipakṣa)—the factors opposed to practice; and second, the establishment of doctrine through formal logic (pramāṇa) and both inference and direct perception (anumāna).
If this treatise concerns the nature of mind, it will examine the following questions: How many natures does mind itself possess? Can it be completely purified? How are the theory of inherent Buddha-nature (tathāgatagarbha) and that of the luminous mind (prakṛti-prabhāsvara-citta) encompassed within the philosophical foundations of Mahāyāna?
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