An attainment of effortless insight into emptiness and the lack of birth of phenomena. This attainment only occurs on the bodhisattva levels, variously said to occur on the first and eighth bodhisattva levels.

The essentially pure nature of mind is obscured and afflicted by various psychological defilements, which destroy the mind’s peace and composure and lead to unwholesome deeds of body, speech, and mind, acting as causes for continued existence in saṃsāra. Included among them are the primary afflictions of desire (rāga), anger (dveṣa), and ignorance (moha). It is said that there are eighty-four thousand of these negative mental qualities, for which the eighty-four thousand categories of the Buddha’s teachings serve as the antidote.

Kleśa is also commonly translated as “negative emotions,” “disturbing emotions,” and so on. The Pāli kilesa, Middle Indic kileśa, and Buddhist Hybrid Sanskrit kleśa all primarily mean “stain” or “defilement.” The translation “affliction” is a secondary development that derives from the more general (non-Buddhist) classical understanding of √kliś (“to harm,“ “to afflict”). Both meanings are noted by Buddhist commentators.

Five collections of phenomena under which all compounded phenomena may be included: form, feeling, perception, formation, and consciousness.

A state of one-pointed mental equilibrium.

A high-ranking deity presiding over a divine world; he is also considered to be the lord of the Sahā world (our universe). Though not considered a creator god in Buddhism, Brahmā occupies an important place as one of two gods (the other being Indra/Śakra) said to have first exhorted the Buddha Śākyamuni to teach the Dharma. The particular heavens found in the form realm over which Brahmā rules are often some of the most sought-after realms of higher rebirth in Buddhist literature. Since there are many universes or world systems, there are also multiple Brahmās presiding over them. His most frequent epithets are “Lord of the Sahā World” (sahāṃpati) and Great Brahmā (mahābrahman).

The relative nature of phenomena, which arises in dependence upon causes and conditions. Together with the four truths of the noble ones, this was the first teaching given by the Buddha.

One of the three realms of saṃsāra, characterized by a prevalence of desire.

Hoping for happiness, fame, praise, and gain and fearing suffering, insignificance, blame, and loss.

One way of describing experience and the world in terms of eighteen elements (eye, form, and eye consciousness; ear, sound, and ear consciousness; nose, odor, and nose consciousness; tongue, taste, and tongue consciousness; body, touch, and body consciousness; mind, mental objects, and mind consciousness).

The set of practices that lead to awakening, traditionally listed as thirty-seven.

Taking what is impermanent to be permanent, what is painful to be delightful, what is unclean to be clean, and what is no self to be a self.

A class of generally benevolent nonhuman beings who inhabit the skies, sometimes said to inhabit fantastic cities in the clouds, and more specifically to dwell on the eastern slopes of Mount Meru, where they are ruled by the Great King Dhṛtarāṣṭra. They are most renowned as celestial musicians who serve the gods. In the Abhidharma, the term is also used to refer to the mental body assumed by sentient beings during the intermediate state between death and rebirth. Gandharvas are said to live on fragrances (gandha) in the desire realm, hence the Tibetan translation dri za, meaning “scent eater.”

The Sanskrit term śrāvaka, and the Tibetan nyan thos, both derived from the verb “to hear,” are usually defined as “those who hear the teaching from the Buddha and make it heard to others.” Primarily this refers to those disciples of the Buddha who aspire to attain the state of an arhat seeking their own liberation and nirvāṇa. They are the practitioners of the first turning of the wheel of the Dharma on the four noble truths, who realize the suffering inherent in saṃsāra and focus on understanding that there is no independent self. By conquering afflicted mental states (kleśa), they liberate themselves, attaining first the stage of stream enterers at the path of seeing, followed by the stage of once-returners who will be reborn only one more time, and then the stage of non-returners who will no longer be reborn into the desire realm. The final goal is to become an arhat. These four stages are also known as the “four results of spiritual practice.”

A park in Śrāvastī, the capital of the ancient kingdom of Kośala in northern India. It was owned by Prince Jeta, and the wealthy merchant Anāthapiṇḍada, wishing to offer it to the Buddha, bought it from him by covering the entire property with gold coins. It was to become the place where the monks could be housed during the monsoon season, thus creating the first Buddhist monastery. It is therefore the setting for many of the Buddha's discourses.

The principal deity in the highest heaven in the desire realm. He is also portrayed as attempting to prevent the Buddha’s awakening. The name Māra is also used as a generic name for the deities in his realm and also as an impersonal term for the factors that keep beings in saṃsāra.

The intent to obtain buddhahood to benefit all sentient beings; the practices toward buddhahood; the realization of emptiness.

The transcendence of suffering, the state of freedom from the suffering of saṃsāra.

Prajñāvarman was a Bengali paṇḍita resident in Tibet during the late eighth and early ninth centuries. He arrived in Tibet at the invitation of the Tibetan king Trisong Detsen (khri srong lde btsan, 742–ca. 800 ᴄᴇ) and assisted in the translation of numerous canonical scriptures. He also authored a few philosophical commentaries himself, which were later included in the Tibetan Tengyur collection.

Wholesome actions that are conducive to happiness. There are three fundamental roots of virtue from which the others arise: absence of desire, absence of hatred, and absence of delusion.

The lord of the gods in the Heaven of the Thirty-Three (trāyastriṃśa). Alternatively known as Indra, the deity that is called “lord of the gods” dwells on the summit of Mount Sumeru and wields the thunderbolt. The Tibetan translation brgya byin (meaning “one hundred sacrifices”) is based on an etymology that śakra is an abbreviation of śata-kratu, one who has performed a hundred sacrifices. Each world with a central Sumeru has a Śakra. Also known by other names such as Kauśika, Devendra, and Śacipati.

These can be listed as twelve or as six sense sources (sometimes also called sense fields, bases of cognition, or simply āyatanas).

In the context of epistemology, it is one way of describing experience and the world in terms of twelve sense sources, which can be divided into inner and outer sense sources, namely: (1–2) eye and form, (3–4) ear and sound, (5–6) nose and odor, (7–8) tongue and taste, (9–10) body and touch, (11–12) mind and mental phenomena.

In the context of the twelve links of dependent origination, only six sense sources are mentioned, and they are the inner sense sources (identical to the six faculties) of eye, ear, nose, tongue, body, and mind.

These are faith, diligence, discipline, modesty, learning, relinquishment, and insight.

The trainings of the bodhisattva path: generosity, discipline, patience, diligence, concentration, and knowledge.

An individual who, in their last life, attains realization by realizing the nature of interdependent origination without relying upon a spiritual guide.

During the life of the Buddha, Śrāvastī was the capital city of the powerful kingdom of Kośala, ruled by King Prasenajit, who became a follower and patron of the Buddha. It was also the hometown of Anāthapiṇḍada, the wealthy patron who first invited the Buddha there, and then offered him a park known as Jetavana, Prince Jeta’s Grove, which became one of the first Buddhist monasteries. The Buddha is said to have spent about twenty-five rainy seasons with his disciples in Śrāvastī, thus it is named as the setting of numerous events and teachings. It is located in present-day Uttar Pradesh in northern India.

The highest of the four divine attainments (absorptions) of the formless realm.

Yeshé Dé (late eighth to early ninth century) was the most prolific translator of sūtras into Tibetan. Altogether he is credited with the translation of more than one hundred sixty sūtra translations and more than one hundred additional translations, mostly on tantric topics. In spite of Yeshé Dé’s great importance for the propagation of Buddhism in Tibet during the imperial era, only a few biographical details about this figure are known. Later sources describe him as a student of the Indian teacher Padmasambhava, and he is also credited with teaching both sūtra and tantra widely to students of his own. He was also known as Nanam Yeshé Dé, from the Nanam (sna nam) clan.