Editing Three marks of existence (section)

==Description==
There are different lists of the "marks of existence" found in the canons of the early Buddhist schools.<ref name=":1">Tse-fu Kuan 關則富, 'Mahāyāna Elements and Mahāsāṃghika Traces in the Ekottarika-āgama' in Dhammadina (ed.)  ''Research on the Ekottarika-āgama'' (2013). Dharma Drum Publishing, Taipei.</ref>

=== Three marks ===
In the [[Pali]] tradition of the [[Theravada]] school, the three marks are:{{sfnp|Alexander|2019|p=36}}<ref name=":1" /><ref>{{cite book |last=Hahn |first=Thich Nhat |title=The Heart of the Buddha's Teaching |location=New York |publisher=Broadway Books |date=1999 |page=22}}</ref>{{sfn|Walsh|1995|p=30}}
* ''sabbe saṅkhārā aniccā'' – all ''[[saṅkhāra]]s'' (conditioned things) are impermanent
* ''sabbe saṅkhārā dukkhā'' – all ''saṅkhāras'' are unsatisfactory, imperfect, unstable
* ''sabbe dhammā anattā'' – all ''[[dharma#Buddhism|dharmas]]'' (conditioned or unconditioned things) have no unchanging self or soul
The northern Buddhist Sarvāstivāda tradition meanwhile has the following in their ''Samyukta [[Āgama (Buddhism)|Agama]]'':<ref name=":1" /><ref>Thich Nhat Hanh, ''The Heart of the Buddha's Teaching''</ref>
* All conditioned things are impermanent (''sarvasaṃskārā anityāḥ'')
* All dharmas are non-self (''sarvadharmā anātmānaḥ)''
* Nirvāṇa is calm (''śāntaṃ nirvāṇam'')

=== Four marks ===
In the ''[[Ekottara Agama|Ekottarika-āgama]]'' and in [[Mahayana]] sources like the ''[[Yogacarabhumi-sastra|Yogācārabhūmi-Śāstra]]'' and ''The Questions of the Nāga King Sāgara'' ''([[Sāgaranāgarājaparipṛcchā]])'' however, four characteristics or “[[Four Dharma Seals|four seals of the Dharma]]” (Sanskrit: ''dharmoddāna-catuṣṭayaṃ'' or ''catvāri dharmapadāni'', Chinese: 四法印) are described instead of three:<ref name=":1" /><ref>Ulrich Timme Kragh (editor), ''The Foundation for Yoga Practitioners'': ''The Buddhist Yogācārabhūmi Treatise and Its Adaptation in India, East Asia, and Tibet, Volume 1'' Harvard University, Department of South Asian studies, 2013, p. 144.</ref><ref>{{Cite web |title=The Questions of the Nāga King Sāgara (3) &#124; 84000 Reading Room |url=https://read.84000.co/translation/toh155.html}}</ref>
* All compounded phenomena are impermanent (''anitya'')
* All contaminated phenomena are without satisfaction (''duḥkha'')
* All phenomena are without self (''anātman'')
* [[Nirvana]] is peaceful/peace (''śānta/śānti'')