Taught at Sāvatthi on Komudī, the full-
Seeing them thus assembled, the Buddha was pleased with their demeanour and described how in the confraternity of monks were to be found men of various degrees of attainment. Some of them practised the cultivation of mindfulness by breathing exercises and the Buddha proceeded to explain how it was done. Such mindfulness leads to the development of the four foundations of mindfulness (satipaṭṭhāna), and these, in turn, to the seven factors of enlightenment (bojjhaṅga). Through them one attains deliverance through understanding. M.iii.78‑88.