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)

Sri-bhagavan uvaca

pitaham asya jagato
mata dhata pitamahah
vedyam pavitram omkara
rk 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)