One particular of such Sanskrit Mahayana sutras, the Vimalakīrti Nirdeśa Sūtra is made up of a chapter over the "Dharma gate of non-duality" (advaya dharma dvara pravesa) which is mentioned to generally be entered the moment 1 understands how several pairs of opposite extremes are to become turned down as https://www.facebook.com/NonDualTeachers/