Karuṇā is important in all schools of Buddhism. For Theravāda Buddhists, dwelling in karuṇā is a means for attaining a happy present life and heavenly rebirth. For Mahāyāna Buddhists, karuṇā is a co-requisite for becoming a bodhisattva.
In Theravāda Buddhism, karuṇā is one of the four "divine abodes" (brahmavihāra), along with loving kindness (Pāli: mettā), sympathetic joy (mudita) and equanimity (upekkha). In the Pali canon, the Buddha recommends cultivating these four virtuous mental states to both householders and monastics. When one develops these four states, the Buddha counsels radiating them in all directions, as in the following stock canonical phrase regarding karuṇā:
He keeps pervading the first direction—as well as the second direction, the third, and the fourth—with an awareness imbued with compassion. Thus he keeps pervading above, below, & all around, everywhere & in every respect the all-encompassing cosmos with an awareness imbued with compassion: abundant, expansive, immeasurable, free from hostility, free from ill will.
The Pali commentaries distinguish between karuṇā and mettā in the following complementary manner: Karuna is the desire to remove harm and suffering (ahita-dukkha-apanaya-kāmatā) from others; while mettā is the desire to bring about the well-being and happiness (hita-sukha-upanaya-kāmatā) of others.
In Mahāyāna Buddhism, karuṇā is one of the two qualities, along with enlightened wisdom (Sanskrit: prajña), to be cultivated on the bodhisattva path. According to scholar Rupert Gethin, this elevation of karuṇā to the status of prajña is one of the distinguishing factors between the Theravāda arahant ideal and the Mahāyāna bodhisattva ideal:
For the Mahāyāna ... the path to arhatship appears tainted with a residual selfishess since it lacks the motivation of the great compassion (mahākaruṇā) of the bodhisattva, and ultimately the only legitimate way of Buddhist practice is the bodhisattva path.
In the Intermediate section of the Stages of Meditation by Kamalashila, he writes:
Moved by compassion[karunā], Bodhisattvas take the vow to liberate all sentient beings. Then by overcoming their self-centered outlook, they engage eagerly and continuously in the very difficult practices of accumulating merit and insight. Having entered into this practice, they will certainly complete the collection of merit and insight. Accomplishing the accumulation of merit and insight is like having omniscience itself in the palm of your hand. Therefore, since compassion is the only root of omniscience, you should beome familiar with this practice from the very beginning."
In Indo-Tibetan Buddhism, one of the foremost authoritative texts on the Bodhisattva path is the Bodhicaryavatara by Shantideva. In the eighth section entitled Meditative Concentration, Shantideva describes meditation on Karunā as thus:
Strive at first to meditate upon the sameness of yourself and others. In joy and sorrow all are equal; Thus be guardian of all, as of yourself. The hand and other limbs are many and distinct, But all are one--the body to kept and guarded. Likewise, different beings, in their joys and sorrows, are, like me, all one in wanting happiness. This pain of mine does not afflict or cause discomfort to another's body, and yet this pain is hard for me to bear because I cling and take it for my own. And other beings' pain I do not feel, and yet, because I take them for myself, their suffering is mine and therefore hard to bear. And therefore I'll dispel the pain of others, for it is simply pain, just like my own. And others I will aid and benefit, for they are living beings, like my body. Since I and other beings both, in wanting happiness, are equal and alike, what difference is there to distinguish us, that I should strive to have my bliss alone?"
Karuṇā is associated with the Jain practice of compassion. For instance, karuṇā is one of the four reflections of universal friendship — along with amity (Sanskrit: maitri), appreciation (pramoda) and equanimity (madhyastha)—used to stop (samvara) the influx of karma.
- Regarding the Sanskrit word, see Monier-Williams (1899), p. 255, entry for "karuṇā" (retrieved at http://www.sanskrit-lexicon.uni-koeln.de/scans/MWScan/MWScanpdf/mw0255-karaTa.pdf), where the noun form of the word is defined as "pity, compassion". For the Pali word, see Rhys, Davids & Stede (1921–25), p. 197, entry for "Karuṇā" (retrieved at http://dsal.uchicago.edu/cgi-bin/philologic/getobject.pl?c.1:1:356.pali), where it is defined as "pity, compassion".
- Gethin (1998), pp.186-187; and, Rhys Davids & Stede, op. cit.
- For instance, in the Kālāmā Sutta (AN 3.65), the Buddha speaks of all Noble Disciples (ariya-savaka) developing the brahmaviharas (Thanissaro, 1994).
- Kālāmā Sutta (AN 3.65), trans. Thanissaro (1994). The "four directions" refer to east, south, west and north.
- AN 3.65 (Thanissaro, 1994). In regards to in which heavenly realm a frequent karuṇā dweller will be reborn, AN 4.125 (Thanissaro, 2006) identifies it as the realm of radiant (abhassara) devas, whose lifespans last two eons.
- SN-A 128 (Rhys Davids & Stede, 1921–25, op. cit.); see also, BDEA & BuddhaNet (n.d.).
- Gethin (1999), p. 228.
- Stages of Meditation by H.H The Dalai Lama, Root Text by Kamalashila. Snow Lion Publications. Page 42-43
- The Way of the Bodhisattva by Shantideva. Shambhala Publications. Page 122-123
- Shah (n.d.). Regarding samvara, see "Release from karmas". From a comparative religion perspective, cf. Buddhism's four brahmavihara; for instance, maitri is often identified as a Sanskrit correlate of the Pali mettā (Rhys Davids & Stede, 1921-5, p. 540, entry for "Mettā," retrieved at http://dsal.uchicago.edu/cgi-bin/philologic/getobject.pl?c.3:1:177.pali).
- Buddha Dharma Education Association & BuddhaNet (n.d.). Buddhist Studies for Secondary Students, Unit 6: The Four Immeasurables. Retrieved from "BuddhaNet" at http://www.buddhanet.net/e-learning/buddhism/bs-s15.htm.
- Gethin, Rupert (1998). The Foundations of Buddhism. Oxford: Oxford University Press.
- Monier-Williams, Monier (1899, 1964). A Sanskrit-English Dictionary. London: Oxford University Press. ISBN 0-19-864308-X. Retrieved 2008-05-09 from "Cologne University" at http://www.sanskrit-lexicon.uni-koeln.de/scans/MWScan/index.php?sfx=pdf.
- Rhys Davids, T.W. & William Stede (eds.) (1921-5). The Pali Text Society’s Pali–English Dictionary. Chipstead: Pali Text Society. Retrieved 2008-05-09 from "U. Chicago" at http://dsal.uchicago.edu/dictionaries/pali/.
- Shah, Pravin K. (n.d.). Nine Tattvas (Principles). Retrieved from "Harvard U." at http://www.fas.harvard.edu/~pluralsm/affiliates/jainism/jainedu/9tattva.htm.
- Thanissaro Bhikkhu (trans.) (1994). Kalama Sutta: To the Kalamas (AN 3.65). Retrieved 2008-05-10 from "Access to Insight" at http://www.accesstoinsight.org/tipitaka/an/an03/an03.065.than.html.
- Thanissaro Bhikkhu (trans.) (2006). Metta Sutta: Good Will (1) (AN 4.125). Retrieved 2008-05-10 from "Access to Insight" at http://www.accesstoinsight.org/tipitaka/an/an04/an04.125.than.html.
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