This paper examined, the reasons the Sarvāstivāda School regards
anuśaya ― which is considered a synonym for
kleśa, as an important concept of the Sarvāstivādin Path. From the
Sangītiparyāya and the
Dharmaskandha, the Sarvāstivāda School classifies the
kleśa explained by Āgamas and the Nikāyas into (1)
saṃyojana, (2)
bandhana, (3)
anuśaya, (4)
upakleśa, and (5)
paryavasthāna. These develop into
Abhidharmakośabhāṣya chapter 2 on
Indriya as contaminated
caitasika among the "five categories." Since the
citta and
caitasika share (1)
āśraya, (2)
ālambana, (3)
ākāra, (4)
kāla, and (5)
dravya, which means
pañcasamatā, the contaminated
caitasika adversely affects the
citta.
Abhidharmakośabhāṣya chapter 2 focuses on the corresponding relationship between the
citta and
caitasika.
Chapter 5 on
anuśaya mainly covers
anuśaya-related matters. From
Prakaraṇapāda, the Sarvāstivāda School interprets
anuśaya, as (1)
aṇu, (2)
anuśerate, (3)
anugata, and (4)
anubadhanti, explaining the characteristics and the principles of the operation of
anuśaya that are difficult to abandon even with a religious practice. Among the four, the most crucial concept is anuśerate, which reinforces its strength by contaminating according to
ālambanatas and
saṃprayogatas. According to Sarvāstivāda School,
kleśa is maintained and grown in
sāsrva-dharma.
For the Sarvāstivāda School, the abandonment of
anuśaya is not the destruction of
anuśaya itself but is freeing from the bondage of the acquiring
anuśaya, which means the acquisition of nirvana (
visaṃyoga-prāpti). In addition, each stage of
visaṃyoga is described as a
parijña. In the
Abhidharmakośabhāṣya,
parijña is classified into
jñāna- parijña and
prahāṇa-parijña, and nine
parijña are set on the
prahāṇa-parijña. This presents an epistemological aspect such as
yathābhūtajñanadarśana and the practical aspects of
jñāna and
prahāṇa, indicating that the insights into
sāsrva-dharma, leads to the severing of bondage of
anuśaya.
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