Kaṭha Upaniṣad 1.16

1.16

tam abravīt prīyamāṇo mahātmā varaṃ tavehādya dadāmi bhūyaḥ /
tavaiva nāmnā bhavitāyam agniḥ sṛṅkāṃ cemām anekarūpāṃ gṛhāṇa //

[Narrative :] 15. He told him of that fire as the beginning of the world, What bricks, and how many, and how [built]. And he too repeated that, as it was told. Then, pleased with him, Death said again— 16. Delighting, the great soul (mahātman) said to him :—

[Death resumes:] A further boon I give thee here today. By thy name indeed shall this fire be [known]. This multifold garland (sṛṅkā), too, accept. 17. Having kindled a triple Naciketas-fire, having attained union with the three, Performing the triple work, one crosses over birth and death. By knowing the knower of what is born from Brahma, the god to be praised, [And] by revering [him], one goes for ever to this [peace (śānti). 18. Having kindled a triple Naciketas-fire, having known this triad, He who knowing thus, builds up the Naciketas-fire— He, having cast off in advance the bonds of death, With sorrow overpassed, rejoices in the heaven-world. 19. This, O Naciketas, is thy heavenly fire, Which thou didst choose with the second boon. As thine, indeed, will folks proclaim this fire, The third boon, Naciketas, choose!