即「四無量心」，參看「四梵室」。

漢譯阿含經辭典，莊春江編(1.4版)

四等心 (sì děng xīn) 　( “the four (forms of) impartiality” ) Cf. 四等(sì děng) ;

{not found at 《漢語大詞典》3.592.} ; {not found at 《大漢和辞典》3.34.} ;

Dharmarakṣa: {86b10} 菩薩由是生 四等心、四恩 用開化黎庶(v)

{K.142.11} brahmavihāra~ catur~

Kumārajīva: {not found at L.20b24}

《添品妙華蓮華經》Taishō, Vol. 9, No. 264, {Ten.155a15} 四種梵行

Dharmarakṣa: {105b21} 今吾具足六度無極、大慈、大悲，成四等心、三十二相、八十種好、紫磨金色、十種力、…………，皆由調達恩徳之力(p)

{K.259.3} mahā-maitrī mahā-karuṇā mahā-muditā mahôpekṣā

Kumārajīva: {L.34c27} 慈、悲、喜、捨

A Digital Edition of A Glossary of Dharmarakṣa translation of the Lotus Sutra by Seishi Karashima, 1998