There is a self effulgent mystery in the universe.

A Mysterious Fire has existed since the beginning of creation, it is present everywhere. This Mysterious Fire is self-luminous, this self-luminous mystery is God. He is controlling everything, He is the supreme leader and the eternal foundation of the universe, the illuminator of all great activities, this God who is mysterious, He is indeed worthy of worship, the sole object of worship in all seasons and the greatest giver of the most generous and splendid wealth. 

— Secret of the Vedas