pitaham asya jagatomata dhata pitamahahvedyam pavitram omkarark sama yajur eva ca
(The Most Confidential Knowledge, Text 17, Chapter 9)
Meaning: I am the father of this universe, the mother, the support and the grandsire. I am the object of knowledge, the purifier and the syllable om. I am also the Rg, the sama and the Yajur Vedas.
Bhagavad Gita: I am…….father of universe/mother/support/grandsire/object of knowledge/purifier/syllable om/Rg,Sama & Yajur Vedas. (The Most Confidential Knowledge, Text 17, Chapter 9)