न तत्र सूर्यो भाति न चन्द्रतारकं नेमा विद्युतो भान्ति कुतोऽयमग्निः । तमेव भान्तमनुभाति सर्वं तस्य भासा सर्वमिदं विभाति ॥ १५॥ इति काठकोपनिषदि द्वितीयाध्याये द्वितीया वल्ली ॥

na tatra sūryo bhāti na candratārakaṃ nemā vidyuto bhānti kuto'yamagniḥ । tameva bhāntamanubhāti sarvaṃ tasya bhāsā sarvamidaṃ vibhāti ॥ 15॥ iti kāṭhakopaniṣadi dvitīyādhyāye dvitīyā vallī ॥

tatra = there [in Brahman which is one's own Self]; sūryaḥ = the Sun; na bhāti = does not shine; na = neither; candra-tārakam = the moon and stars; imāḥ vidyutaḥ = these flashes of lightening; na bhānti = do not shine; kutaḥ ayam agniḥ = how therefore, this fire [that is seen by us]; sarvaṁ anubhāti = everything that gives light or heat; tam eva bhāntam = That [Supreme being] indeed shines; tasya = through his; bhāsā = effulgence; sarvam idaṁ vibhāti = all this shines.