Why are certain important verses quoted by acharyas not found in the scriptures?
Devotee-scholars’ research is uncovering the presence in scripture of many verses whose sources were earlier unknown or debated. One excellent sample of such scholarship is this document compiled by a devotee-scholar and friend Hari Parshad Prabhu:
Specific reference to verses about Mayavada:
mayavadam asac chastram (sastram) pracchannam bauddham ucyate mayaiva kathyate devi kalau brahmana rupina