There was neither death nor immortality then. There was not distinction of day or night. That alone breathed windless by its own power. Other than that there was not anything else.
Darkness was hidden by darkness in the beginning. All this was an indistinguishable sea. That which becomes, that which was enveloped by the void, that alone was born through the power of heat
Upon that desire arose in the beginning. This was the first discharge of thought.
Sages discovered this link of the existent to the nonexistent, having searched in the heart with wisdom.
Their line [of vision] was extended across; what was below, what was above? There were impregnators, there were powers: inherent power below, impulses above.
Who knows truly? Who here will declare whence it arose, whence this creation?
The gods are subsequent to the creation of this. Who, then, knows whence it has come into being?
Whence this creation has come into being; whether it was made or not; he in the highest heaven is its surveyor. Surely he knows, or perhaps he knows not.
Rig Veda 10.76
“Surely he knows, but perhaps he knows not… – The Hymn of Creation, Rig Veda.