“Bhikkhus, this is the one-way path for the purification of beings, for the overcoming of sorrow and lamentation, for the passing away of pain and displeasure, for the achievement of the method, for the realization of Nibbāna, that is, the four establishments of mindfulness. What four? “Here, bhikkhus, a bhikkhu dwells contemplating the body in the body, ardent, clearly comprehending, mindful, having removed covetousness and displeasure in regard to the world. He dwells contemplating feelings in
