Vishnupurana 2.7.28

2.7.28

dāruṇy agnir yathā tailaṃ tile tadvat pumān api
pradhāne 'vasthito vyāpī cetanātmātmavedanaḥ //

The world is encompassed on every side and above and below by the shell of the egg of Brahmá, in the same manner as the seed of the wood-apple is invested by its rind. Around the outer surface of the shell flows water, for a space equal to ten times the diameter of the world. The waters, again, are encompassed exteriorly by fire; fire by air; and air by Mind; Mind by the origin of the elements (Ahankára); and that by Intellect: each of these extends ten times the breadth of that which it encloses; and the last is encircled by the chief Principle, Pradhána, which is infinite, and its extent cannot be enumerated: it is therefore called the boundless and illimitable cause of all existing things, supreme nature, or Prakriti; the cause of all mundane eggs, of which there are thousands and tens of thousands, and millions and thousands of millions, such as has been described. Within Pradhána resides Soul, diffusive, conscious, and self-irradiating, as fire is inherent in flint, or sesamum oil in its seed. Nature (Pradhána) and soul (Pumán) are both of the character of dependants, and are encompassed by the energy of Vishńu, which is one with the soul of the world, and which is the cause of the separation of those two (soul and nature) at the period of dissolution; of their aggregation in the continuance of things; and of their combination at the season of creation. In the same manner as the wind ruffles the surface of the water in a hundred bubbles, which of themselves are inert, so the energy of Vishńu influences the world, consisting of inert nature and soul. Again, as a tree, consisting of root, stem, and branches, springs from a primitive seed, and produces other seeds, whence grow other trees analogous to the first in species, product, and origin, so from the first unexpanded germ (of nature, or Pradhána) spring Mahat (Intellect)