Mbh 5.46.1a

“Sanat-sujata said, ‘The primary Seed (of the universe), called Mahayasas, is destitute of accidents, is pure Knowledge, and blazeth with effulgence. It leadeth the senses, and it is in consequence of that Seed that Surya shineth. That Eternal One endued with Divinity is beheld by Yogins (by their mental eye). It is in consequence of that Seed (which is Joy’s self) that Brahman becomes capable of Creation and it is through it that Brahman increaseth in expansion. It is that Seed which entering into luminous bodies giveth light and heat. Without deriving its light and heat from any other thing it is self-luminous, and is an object of terror to all luminous bodies. The Eternal One endued with Divinity is beheld by Yogins (by their mental eye). The body composed of the five grosser elements, that are themselves sprung from the five subtler ones,--the latter, in their turn, originating in one homogeneous substance called Brahman--is upheld (realised) in consciousness by both the creature-Soul endued with life and Iswara. (These two, during sleep and the universal dissolution, are deprived of consciousness). Brahman on the other hand, which is never bereft of consciousness, and which is the Sun’s Sun, upholdeth both these two and also the Earth and the Heaven. The Eternal One endued with Divinity is beheld by Yogins (by their mental eye). The Seed upholdeth the two gods, the Earth and the Heaven, the Directions, and the whole Universe. It is from that Seed that directions (points of the compass) and rivers spring, and the vast seas also have derived their origin. The Eternal One endued with Divinity is beheld by Yogins (by their mental eye). The body is like a car destined to destruction. Its acts, however, are undying.