Prashna Upanishad Verse 1.5

Sanskrit

आदित्यो ह वै प्राणो रयिरेव चन्द्रमा रयिर्वा एतत्सर्वं यन्मूर्तं चामूर्तं च तस्मान्मूर्तिरेव रयिः ॥ ५ ॥

Transliteration

ādityo ha vai prāṇo rayireva candramā rayirvā etatsarvaṃ yanmūrtaṃ cāmūrtaṃ ca tasmānmūrtireva rayiḥ || 5 ||

S. Sitarama Sastri's Translation

The sun is life, indeed, and the moon, the food; all this having form and formless is food; so form is certainly food.

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Reference: Prashna Upanishad