^Gethin (1998), pp.186-187; and, Rhys Davids & Stede, op. cit.Archive.is的存檔,存档日期2012-07-11
^For instance, in the Kālāmā Sutta (AN 3.65), the Buddha speaks of all Noble Disciples (ariya-savaka) developing the brahmaviharas (Thanissaro, 1994).互联网档案馆的存檔,存档日期2011-10-06.
^Kālāmā Sutta (AN 3.65), trans. Thanissaro (1994).互联网档案馆的存檔,存档日期2011-10-06. The "four directions" refer to east, south, west and north.
^AN 3.65 (Thanissaro, 1994).互联网档案馆的存檔,存档日期2011-10-06. In regards to in which heavenly realm a frequent karuṇā dweller will be reborn, AN 4.125 (Thanissaro, 2006) (页面存档备份,存于互联网档案馆) identifies it as the realm of radiant (abhassara) devas, whose lifespans last two eons.