Mahabharata 14.20.26

14.20.26

tataḥ saṃjāyate śabdaḥ saṃśayastatra jāyate |
tataḥ saṃjāyate niṣṭhā janmaitatsaptadhā viduḥ || 26 ||

All the attributes which constitute the sacrificial offerings, enter into the attribute that is born of the fire, and having dwelt within that dwelling became reborn in their respective wombs. Thither also, viz., in that which generates all beings, they remain absorbed during the period for which dissolution lasts. From that is produced smell, from that is produced taste, from that is produced colour, and from that is produced touch; from that is produced sound; from that arises doubt; and from that is produced resolution. This is what is known as the sevenfold creation. It is in this very way that all this was comprehended by the ancients. By the three full and final libations, the full become full with light.'"