Gayatri Mantra, Rigveda 3.62.10 : Om bhur bhuva swaha tat savitur varenyam bhargo devasya dhimahi dhiyo yonah prachodayat.

Meaning of mantra

God! You are Omnipresent, Omnipotent and Almighty. You are all Light. You are all Knowledge and Bliss. You are Destroyer of fear; You are Creator of this Universe, You are the Greatest of all. We bow and meditate upon your light. You guide our intellect in the right direction.