Fourfold Pure Life

(catu Brahma-vihāro, catvāri Brahma-vihārā, lit. four Brahma's residences、四梵住、四梵行：fourfold pure deeds, lit. Brahma's actions = fourfold limitlessness, 四無量心) is 1) friendship (mettā, maitrī, 慈), 2) compassion (karuņā, 悲), 3) joy (muditā, 喜), 4) equanimity (upekkhā, upekşā, 捨：casting, renunciation).