Shrimad Bhagwat Geeta Chapter 9 shlok 18
I am the essence of all Vedic rituals—the sacrifice, oblation, mantra, and offering. I am the medicinal herb, clarified butter, fire, and the act of giving. I am the Father, Mother, Sustainer, and Grandsire of the universe. I am the purifier, the goal of knowledge, the sacred syllable Om, and the wisdom of the Ṛig, …