パーリ仏典, 長部 (パーリ) 33.1.10(48), p. 486, Sri Lanka Tripitaka Projectパーリ仏典, 中部 (パーリ) 36, Sri Lanka Tripitaka Project Both DN 33 and MN 36 juxtapose citta-bhāvanā with kāya-bhāvanā. In DN 33, it is said that there are three types of development: of body (kāya), of mind (citta), and of wisdom (paññā). In end notes to MN 36, Bodhi (pp. 1228-29, nn. 382, 384) states that the MN commentary explains that "development of the body" refers to insight and "development of mind" refers to samādhi.
パーリ仏典, スッタニパータ 1.8, Metta Sutta, Sri Lanka Tripitaka Project The compound metta-bhāvanā does not actually exist in this sutta, but the sutta famously mentions that one should "cultivate" (bhāvaye) a limitless heart of metta.