Mundaka Upanishad Verse 2.2.9

Sanskrit Verse

हिरण्मये परे कोशे विरजं ब्रह्म निष्कलम् ।
तच्छुभ्रं ज्योतिषं ज्योतिस्तद्यदात्मविदु विदुः ॥ ९ ॥

Transliteration

hiraṇmaye pare kośe virajaṃ brahma niṣkalam |
tacchubhraṃ jyotiṣaṃ jyotistadyadātmavido viduḥ || 9 ||

Translation

The stainless indivisible Brahman, the pure, the light of all lights is in the innermost sheath of golden hue. That is what the knowers of the Atman know.