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Āstika (Sanskrit: आस्तिक āstika; "it (heaven) exists") and Nāstika (नास्तिक, nāstika; "it doesn't exist") are technical terms in Hinduism used to classify philosophical schools and persons, according to whether they accept the authority of the Vedas as supreme revealed scriptures, or not, respectively.^[1] By this definition, Nyāyá, Vaiśeṣika, Sāṃkhya, Yoga, Mimāṃsā and Vedānta are classified as āstika schools; and some schools like Cārvāka, Jainism and Buddhism are considered nāstika.^[2] The distinction is similar to the orthodox/heterodox distinction in the West.

In non-technical usage, the term āstika is sometimes loosely translated as "theist", while nāstika is translated as "atheist".^[3] However, this interpretation is distinct from the use of the term in Hindu philosophy. Notably even among the āstika schools, Sāṃkhya^[4]

The different usages of these terms are explained by Chatterjee and Datta as follows:

In modern Indian languages, "āstika" and "nāstika" generally mean "theist" and "atheist", respectively. But in Sanskrit philosophical literature, "āstika" means "one who believes in the authority of the Vedas" or "one who believes in life after death". ("nāstika" means the opposite of these). The word is used here in the first sense. In the second sense, even the Jaina and Buddha schools are "āstika", as they believe in life after death. The six orthodox schools are "āstika", and the Cārvāka is "nāstika" in both the senses.

—^[5]

Etymology[link]

Āstika (IAST:āstika) is a Sanskrit adjective (and noun) that is derived from asti ("it is or exists")^[6] meaning "believing" or "pious";^[7] or "one who believes in the existence ."^[6] Nāstika (na (not) + āstika) is its negative, literally meaning "not believing" or "not pious". As used in Hindu philosophy the differentiation between āstika and nāstika refers to belief in Vedic authority, not belief or lack of belief in theism. As N. N. Bhattacharyya writes:

The followers of Tantra are often branded as Nāstika by the upholders of the Vedic tradition. The term Nāstika does not denote an atheist. It is applied only to those who do not believe in the Vedas. The Sāṃkhyas and Mīmāṃsakas do not believe in God, but they believe in the Vedas and hence they are not Nāstikas. The Buddhists, Jains, and Cārvākas do not believe in the Vedas; hence they are Nāstikas.

—^[8]

Classification of schools[link]

āstika[link]

Many Indian intellectual traditions were codified during the medieval period into a standard list of six orthodox systems or ‘’ṣaḍdarśana’’s, all of which cite Vedic authority as their source:^[9] Nyaya, Vaisheshika, Samkhya, Yoga, Mimāṃsā and Vedanta are classified as āstika schools; and some schools like Cārvāka, Jainism and Buddhism

1. Nyāyá, the school of justice
2. Vaiśeṣika, the atomist school
3. Sāṃkhya, the enumeration school
4. Yoga, the school of Patañjali (which assumes the metaphysics of Sāṃkhya)
5. Mimāṃsā, the tradition of Vedic exegesis
6. Vedanta or Uttara Mimāṃsā, the Upaniṣadic tradition.

These are often coupled into three groups for both historical and conceptual reasons: Nyāyá-Vaiśeṣika, Sāṃkhya-Yoga, and Mimāṃsā-Vedanta.

Nāstika[link]

The three main schools of Indian philosophy that do not base their beliefs on the Vedas were regarded as heterodox by Brahmins:

1. Buddhism
2. Jainism
3. Cārvāka

The use of the term nāstika to describe Buddhism and Jainism in India is explained by Gavin Flood as follows:

At an early period, during the formation of the Upaniṣads and the rise of Buddhism and Jainism, we must envisage a common heritage of meditation and mental discipline practiced by renouncers with varying affiliations to non-orthodox (Veda-rejecting) and orthodox (Veda-accepting) traditions.... These schools [such as Buddhism and Jainism] are understandably regarded as heterodox (nāstika) by orthodox (āstika) Brahmanism.

—^[10]

Tantric traditions in Hinduism have both āstika and nāstika lines; as Banerji writes in "Tantra in Bengal":

Tantras are ... also divided as āstika or Vedic and nāstika or non-Vedic. In accordance with the predominance of the deity the āstika works are again divided as Śākta, Śaiva, Saura, Gāṇapatya and Vaiṣṇava.

—^[11]

See also[link]

• Hinduism
• Hindu philosophy
• Atheism in Hinduism

References[link]

Radhanath Swami
Religion	Gaudiya Vaishnavism, Hinduism
Other name(s)	Richard Slavin.
Personal
Born	(1950-12-07) December 7, 1950 (age 61) Chicago, Illinois, United States
Religious career
Initiation	Diksa–1973, Sannyasa–1982
Post	GBC–1994, Initiating guru–1994
Website	http://www.radhanathswami.com, http://www.radhanathswami.us

Radhanath Swami singing kirtan at Radhagopinath Temple.

Radhanath Swami (born December 7, 1950)^[1] is a Gaudiya Vaishnava guru and a member of the International Society for Krishna Consciousness (ISKCON).^[2][3] He works largely from Mumbai in India and also travels extensively throughout Europe and America.^[4][5] He has been instrumental in the founding of the Mumbai Bhaktivedanta hospital.^[4] He is an ISKCON guru and a member of the Governing Body Commission of ISKCON. Steven J. Rosen described Radhanath Swami as a "saintly person respected by the mass of ISKCON devotees today".^[6]