The Prana topic examines a profound Upanishadic use of the word “light.” While the immediate wording may seem to refer to visible celestial light above the heavens, the sutras establish that the passage truly points toward Brahman.
The key lies in the surrounding descriptions. A preceding passage speaks of a cosmic Purusha whose one foot is all beings, while the remaining three feet abide in the immortal realm above. Because the later “light” passage is connected to the same heavenly symbolism, Vedanta recognises it as continuing the same Brahman-teaching rather than shifting to physical light.
An objection arises from the mention of the Gayatri metre in the surrounding section. One may think the passage concerns only the sacred metre and its symbolic structure. The sutras respond by showing that the metre is merely the contemplative doorway. The mind is directed not toward syllables as such, but toward Brahman as expressed through the Gayatri.
This becomes even clearer when beings, earth, body, and heart are described as the “feet” of Gayatri. Such cosmic representation cannot truly belong to a mere metrical form. It becomes meaningful only when Gayatri is understood as a sacred expression of Brahman, the self of all.
The apparent differences between the descriptions—Brahman being said in one place to dwell in heaven and elsewhere to shine above heaven—do not create contradiction. The same reality may be spoken of in multiple symbolic ways, just as a bird may be said to be on a tree or above it. The intent in both cases is the same transcendent reality.
The beauty of this topic lies in how it transforms light from a physical phenomenon into a metaphysical revelation. What shines beyond heaven is not merely luminous energy, but the light of consciousness itself—the Brahman that illumines all beings, all scripture, and the mind that meditates upon it.
Original Text