In this series of episodes, co-authored with Jonardon Ganeri (Professor of Philosophy at NYU, Visiting Professor at King's College London and Professorial Research Associate at SOAS - and author of numerous books and articles on Indian philosophy), Peter considers the rich philosophical tradition of India. The podcasts cover the first thousand years of the history of Indian philosophy, beginning with Vedic literature (including the Upanisads) and ending with the maturation of Buddhist and Jain thought. This timespan will be divided into three ages: the early period of the Vedas and classical Hindu epics, and the emergence of critique from the Buddhists and Jains; the Age of the Sutra, a period of increasing systematicity in which several schools of thought emerged from the brahminical tradition; and finally a look at the critiques of these schools from the Buddhist and Jain traditions.
A traditional Hindu classification divides āstika and nāstika schools of philosophy, depending on one of three alternate criteria: whether it believes the Vedas as a valid source of knowledge; whether the school believes in the premises of Brahman and Atman; and whether the school believes in afterlife and Devas.[5][6][7] (though there are exceptions to the latter two: Mimamsa and Samkhya respectively).
Ancient and medieval era texts of Indian philosophies include extensive discussions on ontology (metaphysics, Brahman-Atman, Sunyata-Anatta), reliable means of knowledge (epistemology, Pramanas), value system (axiology) and other topics.[10][page needed][11][12][13]
Indian philosophies share many concepts such as dharma, karma, samsara, dukkha, renunciation, meditation, with almost all of them focusing on the ultimate goal of liberation of the individual from dukkha and samsara through diverse range of spiritual practices (moksha, nirvana).[14] They differ in their assumptions about the nature of existence as well as the specifics of the path to the ultimate liberation, resulting in numerous schools that disagreed with each other. Their ancient doctrines span the diverse range of philosophies found in other ancient cultures.[15]
Hindu philosophy classify Indian philosophical traditions as either orthodox (āstika) or heterodox (nāstika), depending on whether they accept the authority of the Vedas and the theories of brahman and ātman found therein.[5][6] Besides these, the "heterodox" schools that do not accept the authority of the Vedas include Buddhism, Jainism, Ajivika and Charvaka.[16][17][18]
This orthodox-heterodox terminology is a scholarly construct found in later Indian sources (and in Western sources on Indian thought) and not all of these sources agree on which system should be considered "orthodox".[19][20] As such there are various heresiological systems in Indian philosophy.[7] Some traditions see "orthodox" as a synonym for "theism" and "heterodox" as a synonym for atheism.[21] Other Hindu sources argue that certain systems of Shaiva tantra should be considered heterodox due to its deviations from the Vedic tradition.[22]
The doctrines of the Vedas and Upanishads were interpreted differently by these six schools, with varying degrees of overlap. They represent a "collection of philosophical views that share a textual connection", according to Chadha 2015.[25] They also reflect a tolerance for a diversity of philosophical interpretations within Hinduism while sharing the same foundation.[26]
Hindu philosophers of the orthodox schools developed systems of epistemology (pramana) and investigated topics such as metaphysics, ethics, psychology (guṇa), hermeneutics, and soteriology within the framework of the Vedic knowledge, while presenting a diverse collection of interpretations.[27][28][29][30] The commonly named six orthodox schools were the competing philosophical traditions of what has been called the "Hindu synthesis" of classical Hinduism.[31][32][33]
All these systems are not the only "orthodox" systems of philosophy, as numerous sub-schools developed throughout the history of Hindu thought. They are however the most well known Hindu philosophical traditions.
Ajana was one of the nāstika or "heterodox" schools of ancient Indian philosophy, and the ancient school of radical Indian skepticism. It was a Śramaṇa movement and a major rival of early Buddhism and Jainism. Their ideas are 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 were sophists who specialised in refutation without propagating any positive doctrine of their own.
Jain philosophy is the oldest Indian philosophy that separates body (matter) from the soul (consciousness) completely.[37] Jainism was revived and re-established after Mahavira, the last and the 24th Tirthankara, synthesised and revived the philosophies and promulgations of the ancient Śramaṇic traditions laid down by the first Jain tirthankara Rishabhanatha millions of years ago.[38] According to Dundas, outside of the Jain tradition, historians date the Mahavira as about contemporaneous with the Buddha in the 5th-century BCE, and accordingly the historical Parshvanatha, based on the c. 250-year gap, is placed in 8th or 7th century BCE.[39]
Jainism is a Śramaṇic religion and rejected the authority of the Vedas. However, like all Indian religions, it shares the core concepts such as karma, ethical living, rebirth, samsara and moksha. Jainism places strong emphasis on asceticism, ahimsa (non-violence) and anekantavada (relativity of viewpoints) as a means of spiritual liberation, ideas that influenced other Indian traditions.[40]
Jainism strongly upholds the individualistic nature of soul and personal responsibility for one's decisions; and that self-reliance and individual efforts alone are responsible for one's liberation. According to the Jain philosophy, the world (Saṃsāra) is full of hiṃsā (violence). Therefore, one should direct all his efforts in attainment of Ratnatraya, that are Samyak Darshan (right perception), Samyak Gnana (right knowledge) and Samyak Chritra (right conduct) which are the key requisites to attain liberation.[41]
Buddhist philosophy refers to several traditions which can be traced back to the teachings of Siddhartha Gautama, the Buddha ("awakened one"). Buddhism is a Śramaṇa religion, but it contains novel ideas not found or accepted by other Śramaṇa religions, such as the Buddhist doctrine of not-self (anatta). Buddhist thought is also influenced by the thought of the Upanishads.[42]
Buddhism and Hinduism mutually influenced each other and shared many concepts, however it is now difficult to identify and describe these influences.[43] Buddhism rejected the Vedic concepts of Brahman (ultimate reality) and Atman (soul, self) at the foundation of Hindu philosophies.[44][45][46][47]
The main traditions of Buddhist philosophy in India (from 300 BCE to 1000 CE) can be divided into Mahayana schools and non-Mahayana schools (sometimes called Śrāvakayāna schools, Nikaya Buddhism, "Mainstream" Buddhism or Hinayana, "inferior" or "lesser" vehicle, a term used only in Mahayana to refer to non-Mahayana traditions).[55] The Mahayana schools accepted the Mahayana sutras and studied the works of Mahayana philosophers like Nagarjuna. The non-Mahayana schools drew their philosophical doctrines from the Tripitaka and on the Abhidharma treatises.
The Mahāyāna ("Great Vehicle") movement (c. 1st century BCE onwards) included new ideas and scriptures (Mahayana sutras). These philosophical traditions differ significantly from other schools of Buddhism, and include metaphysical doctrines which are not accepted by the other Buddhist traditions. Mahayana thought focuses on the universal altruistic ideal of the bodhisattva, a being who is on the path to Buddhahood for the sake of all living beings. It also defends the doctrine that there are limitless number of Buddhas throughout limitless numbers of universes. These Indian traditions are the main source of modern Tibetan Buddhism and of modern East Asian Buddhism.
Many of these philosophies were brought to other regions, like Central Asia and China. After the disappearance of Buddhism from India, some of these philosophical traditions continued to develop in the Tibetan Buddhist, East Asian Buddhist and Theravada Buddhist traditions.[57][58]
Charvaka (Sanskrit: चर्वक; IAST: Cārvāka), also known as Lokāyata, is an ancient school of Indian materialism.[68] Charvaka holds direct perception, empiricism, and conditional inference as proper sources of knowledge, embraces philosophical skepticism and rejects ritualism and supernaturalism.[69][70][71][72][73] It was a popular belief system in ancient India.[a]
The etymology of Charvaka (Sanskrit: चर्वक) is uncertain. Bhattacharya quotes the grammarian Hemacandra, to the effect that the word cārvāka is derived from the root carv, 'to chew' : "A Cārvāka chews the self (carvatyātmānaṃ cārvākaḥ). Hemacandra refers to his own grammatical work, Uṇādisūtra 37, which runs as follows: mavāka-śyāmāka-vārtāka-jyontāka-gūvāka-bhadrākādayaḥ. Each of these words ends with the āka suffix and is formed irregularly". This may also allude to the philosophy's hedonistic precepts of "eat, drink, and be merry".
Brihaspati is traditionally referred to as the founder of Charvaka or Lokāyata philosophy, although some scholars dispute this.[75][76] During the Hindu reformation period in the first millennium BCE, when Buddhism was established by Gautama Buddha and Jainism was re-organized by Parshvanatha, the Charvaka philosophy was well documented and opposed by both religions.[77] Much of the primary literature of Charvaka, the Barhaspatya sutras, were lost either due to waning popularity or other unknown reasons.[78] Its teachings have been compiled from historic secondary literature such as those found in the shastras, sutras, and the Indian epic poetry as well as in the dialogues of Gautama Buddha and from Jain literature.[78][79] However, there is text that may belong to the Charvaka tradition, written by the skeptic philosopher Jayarāśi Bhaṭṭa, known as the Tattvpaplava-siṁha, that provides information about this school, albeit unorthodox.[80][81]
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