A translation of several sections of the Treatise on the Heart of the Abhidharma (阿毘曇心論 / Abhidharmahṛdayaśāstra) (T1550) by Zunzhe Fa-sheng (尊者法勝 / Ārya Dharmajina?) examining how the four satipaṭṭhāna are to be practiced sequentially to lead to insight.