Brahma Sutras
ॐ अनुकृतेस्तस्य च ॐ ॥ १-३-२२॥
Because of the fact of acting (ie., shining) in accordance and because of the use of the word “His”, (the Light mentioned in the Mundaka Upanishad must be Brahman).
english translation
OM anukRtestasya ca OM ॥ 1-3-22॥
hk transliteration by Sanscript