Pre-sectarian Buddhism in the context of "Mahasanghika"

Buddhism, also known as Buddha-dharma and Dharmavinaya, is an Indian religion and philosophy based on teachings attributed to the Buddha, a śramaṇa and religious teacher who lived in the 6th or 5th century BCE. It is the world's fourth-largest religion, with about 320 million followers, known as Buddhists, who comprise 4.1% of the global population. It arose in the eastern Gangetic plain as a śramaṇa movement in the 5th century BCE, and gradually spread throughout much of Asia. Buddhism has subsequently played a major role in Asian culture and spirituality, eventually spreading to the West in the 20th century.

According to tradition, the Buddha instructed his followers in a path of cultivation that leads to awakening and full liberation from dukkha (lit. 'suffering'; 'unease', 'unsatisfactoriness') by attaining nirvana, the 'blowing out' (extinguishing) of the passions. He regarded this path as a Middle Way between extreme asceticism and sensory indulgence, and also between the extremes of eternalism and nihilism. Teaching that dukkha arises alongside attachment or clinging, the Buddha advised meditation practices and ethical precepts, rooted in non-harming. Widely observed teachings include the Four Noble Truths, the Noble Eightfold Path, and the doctrines of dependent origination, karma, and the three marks of existence. Other commonly observed elements include the Triple Gem, the taking of monastic vows, and the cultivation of perfections (pāramitā).

Saṃsāra (Devanagari: संसार) is a Sanskrit word that means "wandering" as well as "world," wherein the term connotes "cyclic change" or, less formally, "running around in circles." Saṃsāra is referred to with terms or phrases such as transmigration/reincarnation, karmic cycle, or Punarjanman, and "cycle of aimless drifting, wandering or mundane existence". When related to the theory of karma, it is the cycle of death and rebirth.

The "cyclicity of all life, matter, and existence" is a fundamental belief of most Indian religions. The concept of saṃsāra has roots in the post-Vedic literature; the theory is not discussed in the Vedas themselves. It appears in developed form, but without mechanistic details, in the early Upanishads. The full exposition of the saṃsāra doctrine is found in early Buddhism and Jainism, as well as in various schools of Hindu philosophy. The saṃsāra doctrine is tied to the karma theory of Hinduism, and the liberation from saṃsāra has been at the core of the spiritual quest of Indian traditions, as well as their internal disagreements. The liberation from saṃsāra is called Moksha, Nirvāṇa, Mukti, or Kaivalya.

Ajñāna (Sanskrit: अज्ञान, (Vedic) IPA: /ɐd͡ʑ.ɲɑː.nɐ/; (Classical) IPA: /ɐd͡ʑˈɲɑː.n̪ɐ/) is an ancient nāstika, or 'heterodox,' Indian school of agnosticism that embraces radical skepticism. It emerged as a Śramaṇa movement and was a major rival of early Buddhism, Jainism and the Ājīvika school. They have been recorded in Buddhist and Jain texts. They held that it was impossible to obtain knowledge of metaphysical nature or ascertain the truth value of philosophical propositions; and even if knowledge was possible, it was useless and disadvantageous for final salvation. They specialized in refutation without propagating any positive doctrine of their own. Sanjaya Belatthiputta was one of the major proponents of this school of thought.

Early Buddhist texts (EBTs), early Buddhist literature or early Buddhist discourses are parallel texts shared by the early Buddhist schools. The most widely studied EBT material are the first four Pali Nikayas, as well as the corresponding Chinese Āgamas. However, some scholars have also pointed out that some Vinaya material, like the Patimokkhas of the different Buddhist schools, as well as some material from the earliest Abhidharma texts could also be quite early.

Besides the large collections in Pali and Chinese, there are also fragmentary collections of EBT materials in Sanskrit, Khotanese, Tibetan, and Gāndhārī. The modern study of early pre-sectarian Buddhism often relies on comparative scholarship using these various early Buddhist sources.

Sati (Pali: sati; Sanskrit: स्मृति smṛti), literally "memory" or "retention", commonly translated as mindfulness, "to remember to observe", is an essential part of Buddhist practice. It has the related meanings of calling to mind the wholesome dhammas such as the four establishments of mindfulness, the five faculties, the five powers, the seven awakening-factors, the Noble Eightfold Path, and the attainment of insight, and the actual practice of maintaining a lucid awareness of the dhammas of bodily and mental phenomena, in order to counter the arising of unwholesome states, and to develop wholesome states. It is the first factor of the Seven Factors of Enlightenment. "Correct" or "right" mindfulness (Pali: sammā-sati, Sanskrit samyak-smṛti) is the seventh element of the Noble Eightfold Path.

In the oldest texts of Buddhism, dhyāna (Sanskrit: ध्यान) or jhāna (Pāli) is a component of the training of the mind (bhāvanā), commonly translated as meditation, to withdraw the mind from the automatic responses to sense-impressions and "burn up" the defilements, leading to a "state of perfect equanimity and awareness (upekkhā-sati-parisuddhi)." Dhyāna may have been the core practice of pre-sectarian Buddhism, in combination with several related practices which together lead to perfected mindfulness and detachment.

In the later commentarial tradition, which has survived in present-day Theravāda, dhyāna is equated with "concentration", a state of one-pointed absorption in which there is a diminished awareness of the surroundings. In the contemporary Theravāda-based Vipassana movement, this absorbed state of mind is regarded as unnecessary and even non-beneficial for the first stage of awakening, which has to be reached by mindfulness of the body and vipassanā (insight into impermanence). Since the 1980s, scholars and practitioners have started to question these positions, arguing for a more comprehensive and integrated understanding and approach, based on the oldest descriptions of dhyāna in the suttas.

Saṃsāra (Devanagari: संसार) is a Sanskrit word that means "wandering" as well as "world," wherein the term connotes "cyclic change" or, less formally, "running around in circles." In the context of Indian religions and philosophies, saṃsāra is the concept of all beings experiencing an ongoing cycle of life, death, and rebirth. As a result, it can also be equated broadly with transmigration/reincarnation, the karmic cycle, the lesser-used term Punarjanman, or a "cycle of aimless drifting, wandering or mundane existence".

The "cyclicity of all life, matter, and existence" is a fundamental belief of most Indian religions. The concept of saṃsāra has roots in the post-Vedic literature; the theory is not discussed in the Vedas themselves. It appears in developed form, but without mechanistic details, in the early Upanishads. The full exposition of the saṃsāra doctrine is found in early Buddhism and Jainism, as well as in various schools of Hindu philosophy. The saṃsāra doctrine is tied to the karma theory of Hinduism, and the liberation from saṃsāra has been at the core of the spiritual quest of Indian traditions, as well as their internal disagreements. The liberation from saṃsāra is called Moksha, Nirvāṇa, Mukti, or Kaivalya.