 The earliest forms of the text may date from as early as the 1st or 2nd Century CE.The final form of the text was probably assembled no earlier than the 3rd Century CE, and by the 4th Century significant commentaries on the text began to be composed by Buddhist scholars, most notably Asanga.The "Saṃdhinirmocana Sūtra" is one of the most important texts of the Yogācāra tradition, and one of the earliest texts to expound the philosophy of Consciousness-only.