The Whole Treatise was imparted by Loving Kindness Embodiment Bohisattva Maitreya to Asanga [Wu Zhuo,without attachment]
the treatise differs from sutra in that it extract the essence of the Various Buddha Sakyamuni Sermon into one treatise which explain the Mind-Only foundation
I will lead one to understand the whole sastra (treatise ) step by step
Serious Practitioner are requested to chant Mani recitation , Homage to Maitreya Bodhisattva or Namo Amitabha as part of self-purification in order to see the wholeness of teaching without impurity