EnlightenmentAññāsutta

“Mendicants, there are these four kinds of mindfulness meditation.“Cattārome, bhikkhave, satipaṭṭhānā. What four?Katame cattāro? It’s when a mendicant meditates by observing an aspect of the body—keen, aware, and mindful, rid of covetousness and displeasure for the world.Idha, bhikkhave, bhikkhu kāye kāyānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṁ; They meditate observing an aspect of feelings …vedanāsu …pe… mind …citte …pe… principles—keen, aware, and mindful, rid of covetousness and displeasure for the world.dhammesu dhammānupassī viharati ātāpī sampajāno satimā, vineyya loke abhijjhādomanassaṁ. These are the four kinds of mindfulness meditation.Ime kho, bhikkhave, cattāro satipaṭṭhānā.

Because of developing and cultivating these four kinds of mindfulness meditation, one of two results can be expected:Imesaṁ kho, bhikkhave, catunnaṁ satipaṭṭhānānaṁ bhāvitattā bahulīkatattā dvinnaṁ phalānaṁ aññataraṁ phalaṁ pāṭikaṅkhaṁ— enlightenment in this very life, or if there’s residue left behind, non-return.”diṭṭheva dhamme aññā, sati vā upādisese anāgāmitā”ti.