The most important discourse ever given by the Buddha on mental development (‘meditation’) is called the Satipaṭṭhāna-sutta ‘The Setting-up of Mindfulness’ (No. 22 of the Digha-nikāya, or No. 10 of the Majjhima-nikāya). This discourse is so highly venerated in tradition that it is regularly recited not only in Buddhist monasteries, but also in Buddhist homes with members of the family sitting round and listening with deep devotion. Very often bhikkhus recite this sutta by the bed-side of a dying man to purify his last thoughts.