The tenth sutta of the Majjhimanikāya. It is identical with the Mahāsatipaṭṭhāna Sutta of the Dīghanikāya, except that towards the end, the latter Sutta interpolates paragraphs explaining in detail the Four Noble Truths. These, in the Majjhimanikāya, form a separate sutta, the Saccavibhaṅga Sutta.