This fourth-century commentary on the Buddhabh?mi-s?tra is one of the earliest texts of the Yog?c?ra tradition. It includes an introductory description of the setting in which it was preached by the Buddha; the main body of the text, which treats the five factors that constitute a Buddha land, i.e., the Pure Dharma Realm and the four wisdoms: mirror wisdom, equality wisdom, discernment wisdom, and duty-fulfillment wisdom; and a concluding section...