Two truths doctrine

In the Pali canon, the distinction is not made between a lower truth and a higher truth, but rather between two kinds of expressions of the same truth, which must be interpreted differently. Thus a phrase or passage, or a whole sutta, might be classed as neyyattha or samuti or vohāra, but it is not regarded at this stage as expressing or conveying a different level of truth.

Nītattha (Pāli; Sanskrit: nītārtha), "of plain or clear meaning"[10] and neyyattha (Pāli; Sanskrit: neyartha), "[a word or sentence] having a sense that can only be guessed".[10] These terms were used to identify texts or statements that either did or did not require additional interpretation. A nītattha text required no explanation, while a neyyattha one might mislead some people unless properly explained:[11]

There are these two who misrepresent the Tathagata. Which two? He who represents a Sutta of indirect meaning as a Sutta of direct meaning and he who represents a Sutta of direct meaning as a Sutta of indirect meaning.[12]

Saṃmuti or samuti (Pāli; Sanskrit: saṃvṛti), meaning "common consent, general opinion, convention",[13] and paramattha (Pāli; Sanskrit: paramārtha), meaning "ultimate", are used to distinguish conventional or common-sense language, as used in metaphors or for the sake of convenience, from language used to express higher truths directly. The term vohāra (Pāli; Sanskrit: vyavahāra, "common practice, convention, custom" is also used in more or less the same sense as samuti.

The Theravādin commentators expanded on these categories and began applying them not only to expressions but to the truth then expressed:

The Awakened One, the best of teachers, spoke of two truths, conventional and higher; no third is ascertained; a conventional statement is true because of convention and a higher statement is true as disclosing the true characteristics of events.[14]

The Prajñaptivāda school took up the distinction between the conventional (saṃvṛti) and ultimate (paramārtha) truths, and extended the concept to metaphysical-phenomenological constituents (dharma), distinguishing those that are real (tattva) from those that are purely conceptual, i.e., ultimately nonexistent (prajñāpti).

The distinction between the two truths (satyadvayavibhāga) was fully developed by Nāgārjuna (c. 150 – c. 250 CE) of the Madhyamaka school.[15] The Madhyamikas distinguish between loka-samvriti-satya, "world speech truth" c.q. "relative truth"[web 1] c.q. "truth that keeps the ultimate truth concealed",[16] and paramarthika satya, ultimate truth.[web 1]

Loka-samvriti-satya can be further divided in tathya-samvrti or loka-samvrti, and mithya-samvrti or aloka-samvrti,[17][18][19][20] "true samvrti" and "false samvrti".[20][web 1][note 1] Tathya-samvrti or "true samvrti" refers to "things" which concretely exist and can be perceived as such by the senses, while mithya-samvrti or "false samvrti" refers to false cognitions of "things" which do not exist as they are perceived.[19][20][16][note 2][note 3]

Nagarjuna's Mūlamadhyamakakārikā provides a logical defense for the claim that all things are empty (sunyata) of an inherently-existing self-nature.[15] Sunyata, however, is also shown to be "empty", and Nagarjuna's assertion of "the emptiness of emptiness" prevents sunyata from constituting a higher or ultimate reality.[25][26][note 4][note 5] Nagarjuna's view is that "the ultimate truth is that there is no ultimate truth".[26] According to Siderits, Nagarjuna is a "semantic anti-dualist" who posits that there are only conventional truths.[26] Jay L. Garfield explains:

Suppose that we take a conventional entity, such as a table. We analyze it to demonstrate its emptiness, finding that there is no table apart from its parts [...] So we conclude that it is empty. But now let us analyze that emptiness […]. What do we find? Nothing at all but the table’s lack of inherent existence [...] To see the table as empty [...] is to see the table as conventional, as dependent.[25]

In Nāgārjuna's Mūlamadhyamakakārikā the two truths doctrine is used to defend the identification of dependent origination (pratītyasamutpāda) with emptiness (śūnyatā):

The Buddha's teaching of the Dharma is based on two truths: a truth of worldly convention and an ultimate truth. Those who do not understand the distinction drawn between these two truths do not understand the Buddha's profound truth. Without a foundation in the conventional truth the significance of the ultimate cannot be taught. Without understanding the significance of the ultimate, liberation is not achieved.[28]

In Nagarjuna's own words:

8. The teaching by the Buddhas of the dharma has recourse to two truths:

The world-ensconced truth and the truth which is the highest sense.
9. Those who do not know the distribution (vibhagam) of the two kinds of truth
Do not know the profound "point" (tattva) in the teaching of the Buddha.
10. The highest sense of the truth is not taught apart from practical behavior,

And without having understood the highest sense one cannot understand nirvana.[29]

Nāgārjuna based his statement of the two truths on the Kaccāyanagotta Sutta. In the Kaccāyanagotta Sutta, the Buddha, speaking to the monk Kaccayana Gotta on the topic of right view, describes the middle Way between nihilism and eternalism:

By and large, Kaccayana, this world is supported by a polarity, that of existence and non-existence. But when one sees the origination of the world as it actually is with right discernment, "non-existence" with reference to the world does not occur to one. When one sees the cessation of the world as it actually is with right discernment, "existence" with reference to the world does not occur to one.[30]

According to Chattopadhyaya, although Nagarjuna presents his understanding of the two truths as a clarification of the teachings of the Buddha, the two truths doctrine as such is not part of the earliest Buddhist tradition.[31]

The Yogacara school of Buddhism distinguishes the Three Natures and the Trikaya. The Three Natures are:[32][33]

• Paramarthika (transcendental reality), also referred to as Parinispanna in Yogacara literature:The level of a storehouse of consciousness that is responsible for the appearance of the world of external objects. It is the only ultimate reality.
• Paratantrika (dependent or empirical reality): The level of the empirical world experienced in ordinary life. For example, the snake-seen-in-the-snake.
• Parikalpita (imaginary). For example, the snake-seen-in-a-dream.

The Lankavatara Sutra took an idealistic turn in apprehending reality. D. T. Suzuki writes the following:

The Lanka is quite explicit in assuming two forms of knowledge: the one for grasping the absolute or entering into the realm of Mind-only, and the other for understanding existence in its dual aspect in which logic prevails and the Vijnanas are active. The latter is designated Discrimination (vikalpa) in the Lanka and the former transcendental wisdom or knowledge (prajna). To distinguish these two forms of knowledge is most essential in Buddhist philosophy.

When Buddhism came to China from Gandhara (now Afghanistan) and India in the first/second century CE, it was initially adapted to the Chinese culture and understanding. Buddhism was exposed to Confucianist[34] and Taoist[35][36][37] influences. Neo-Taoist concepts were taken over in Chinese Buddhism.[38] Concepts such as "T’i -yung" (Essence and Function) and "Li-Shih" (Noumenon and Phenomenon) were first taken over by Hua-yen Buddhism,[38] which consequently influenced Chán deeply.[39]

The two truths doctrine was another point of confusion. Chinese thinking took this to refer to two ontological truths: reality exists of two levels, a relative level and an absolute level.[3] Taoists at first misunderstood sunyata to be akin to the Taoist non-being.[40] In Madhyamaka the two truths are two epistemological truths: two different ways to look at reality. Based on their understanding of the Mahayana Mahaparinirvana Sutra the Chinese supposed that the teaching of the Buddha-nature was, as stated by that sutra, the final Buddhist teaching, and that there is an essential truth above sunyata and the two truths.[4]

The Huayan school or Flower Garland is a tradition of Mahayana Buddhist philosophy that flourished in China during the Tang period. It is based on the Sanskrit Flower Garland Sutra (S. Avataṃsaka Sūtra, C. Huayan Jing) and on a lengthy Chinese interpretation of it, the Huayan Lun. The name Flower Garland is meant to suggest the crowning glory of profound understanding.

The most important philosophical contributions of the Huayan school were in the area of its metaphysics. It taught the doctrine of the mutual containment and interpenetration of all phenomena, as expressed in Indra's net. One thing contains all other existing things, and all existing things contain that one thing.

Distinctive features of this approach to Buddhist philosophy include:

• Truth (or reality) is understood as encompassing and interpenetrating falsehood (or illusion), and vice versa
• Good is understood as encompassing and interpenetrating evil
• Similarly, all mind-made distinctions are understood as "collapsing" in the enlightened understanding of emptiness (a tradition traced back to the Buddhist philosopher Nagarjuna)

Huayan teaches the Four Dharmadhatu, four ways to view reality:

1. All dharmas are seen as particular separate events;
2. All events are an expression of the absolute;
3. Events and essence interpenetrate;
4. All events interpenetrate.[41]

Dogen

The teachings of Zen are expressed by a set of polarities: Buddha-nature - sunyata,[42][43] absolute-relative,[44] sudden and gradual enlightenment.[45]

The Prajnaparamita Sutras and Madhyamaka emphasized the non-duality of form and emptiness: form is emptiness, emptiness is form, as the Heart Sutra says.[44] The idea that the ultimate reality is present in the daily world of relative reality fitted into the Chinese culture which emphasized the mundane world and society. But this does not tell how the absolute is present in the relative world. This question is answered in such schemata as the Five Ranks of Tozan[46] and the Oxherding Pictures.

The polarity of absolute and relative is also expressed as "essence-function". The absolute is essence, the relative is function. They can't be seen as separate realities, but interpenetrate each other. The distinction does not "exclude any other frameworks such as neng-so or "subject-object" constructions", though the two "are completely different from each other in terms of their way of thinking".[47]

In Korean Buddhism, essence-function is also expressed as "body" and "the body's functions":

[A] more accurate definition (and the one the Korean populace is more familiar with) is "body" and "the body's functions". The implications of "essence/function" and "body/its functions" are similar, that is, both paradigms are used to point to a nondual relationship between the two concepts.[48]

A metaphor for essence-function is "A lamp and its light", a phrase from the Platform Sutra, where Essence is lamp and Function is light.[49]

The Nyingma tradition is the oldest of the four major schools of Tibetan Buddhism. It is founded on the first translations of Buddhist scriptures from Sanskrit into Tibetan, in the eighth century. Ju Mipham (1846–1912) in his commentary to the Madhyamālaṃkāra of Śāntarakṣita (725–788) says:[50]

If one trains for a long time in the union of the two truths, the stage of acceptance (on the path of joining), which is attuned to primordial wisdom, will arise. By thus acquiring a certain conviction in that which surpasses intellectual knowledge, and by training in it, one will eventually actualize it. This is precisely how the Buddhas and the Bodhisattvas have said that liberation is to be gained.[51][note 6]

The following sentence from Mipham's exegesis of Śāntarakṣita's Madhyamālaṃkāra highlights the relationship between the absence of the four extremes (mtha'-bzhi) and the nondual or indivisible two truths (bden-pa dbyer-med):

The learned and accomplished [masters] of the Early Translations considered this simplicity beyond the four extremes, this abiding way in which the two truths are indivisible, as their own immaculate way.[52][note 7]

Anekāntavāda (Sanskrit: अनेकान्तवाद, "many-sidedness") refers to the Jain doctrine about metaphysical truths that emerged in ancient India.[1] It states that the ultimate truth and reality is complex and has multiple aspects.[2] Anekantavada has also been interpreted to mean non-absolutism, "intellectual Ahimsa",[3] religious pluralism,[4] as well as a rejection of fanaticism that leads to terror attacks and mass violence.

The origins of anekāntavāda can be traced back to the teachings of Mahāvīra (599–527 BCE), the 24th Jain Tīrthankara.[10] The dialectical concepts of syādvāda "conditioned viewpoints" and nayavāda "partial viewpoints" arose from anekāntavāda in the medieval era, providing Jainism with more detailed logical structure and expression.

The Jain philosopher Kundakunda distinguishes between two perspectives of truth:

• vyavahāranaya or ‘mundane perspective’
• niścayanaya or ‘ultimate perspective’, also called “supreme” (paramārtha) and “pure” (śuddha)[54]

For Kundakunda, the mundane realm of truth is also the relative perspective of normal folk, where the workings of karma operate and where things emerge, last for a certain duration and perish. The ultimate perspective meanwhile, is that of the liberated jiva, which is "blissful, energetic, perceptive, and omniscient".[55]

Advaita took over from the Madhyamika the idea of levels of reality.[56] Usually two levels are being mentioned,[57] but Shankara uses sublation as the criterion to postulate an ontological hierarchy of three levels.[58][web 3][note 8]

• Pāramārthika (paramartha, absolute), the absolute level, "which is absolutely real and into which both other reality levels can be resolved".[web 3] This experience can't be sublated by any other experience.[58]
• Vyāvahārika (vyavahara), or samvriti-satya[57] (empirical or pragmatical), "our world of experience, the phenomenal world that we handle every day when we are awake".[web 3] It is the level in which both jiva (living creatures or individual souls) and Iswara are true; here, the material world is also true.
• Prāthibhāsika (pratibhasika, apparent reality, unreality), "reality based on imagination alone".[web 3] It is the level in which appearances are actually false, like the illusion of a snake over a rope, or a dream.

Chattopadhyaya notes that the eighth-century Mīmāṃsā philosopher Kumārila Bhaṭṭa rejected the Two Truths Doctrine in his Shlokavartika.[60] Bhaṭṭa was highly influential with his defence of the Vedic rituals against medieval Buddhist rejections of these rituals. Some believe that his influence contributed to the decline of Buddhism in India[61] since his lifetime coincides with the period in which Buddhism began to decline.[62] According to Kumarila, the two truths doctrine is an idealist doctrine, which conceals the fact that "the theory of the nothingness of the objective world" is absurd:

[O]ne should admit that what does not exist, exists not; and what does exist, exists in the full sense. The latter alone is true, and the former false. But the idealist just cannot afford to do this. He is obliged instead to talk of 'two truths', senseless though this be.[60][note 9]

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McEvilley notes a correspondence between Greek Pyrrhonism and Madhyamaka doctrines:

Sextus says [63] that there are two criteria:

1. [T]hat by which we judge reality and unreality, and
2. [T]hat which we use as a guide in everyday life.

According to the first criterion, nothing is either true or false[.] [I]nductive statements based on direct observation of phenomena may be treated as either true or false for the purpose of making everyday practical decisions.

The distinction, as Conze[64] has noted, is equivalent to the Madhyamaka distinction between "Absolute truth" (paramārthasatya), "the knowledge of the real as it is without any distortion,"[65] and "Truth so-called" (saṃvṛti satya), "truth as conventionally believed in common parlance.[65][66]

Thus in Pyrrhonism "absolute truth" corresponds to acatalepsy and "conventional truth" to phantasiai.