Suvarṇa-dāna: Kārttikeya’s Origin and the Defeat of Tāraka (सुवर्णदान-प्रसङ्गे कार्त्तिकेय-उत्पत्ति तथा तारकवधः)
चल हक पका हा मट दहा ? कक पक जे (4. 3-3... अलोभकाम्यया देवि तपसा च शुभानने । प्रसन्नो5हं वरं तस्मादमरत्वं ददामि ते
alobhakāmyayā devi tapasā ca śubhānane | prasanno 'haṃ varaṃ tasmād amaratvaṃ dadāmi te ||
நான் கூறினேன்—தேவி! அழகிய முகத்தாளே! நீ பேராசையும் சுயநலக் காமனையும் துறந்தாய். பலன் நாடாத உன் தவத்தால் நான் மகிழ்ந்தேன்; ஆகவே உனக்கு அமரத்துவ வரம் அளிக்கிறேன்.
भीष्म उवाच
Austerity becomes ethically and spiritually potent when it is free from greed and desire for personal gain; such selfless discipline (niṣkāma tapas) is praised as worthy of divine grace and extraordinary reward.
Bhishma, speaking in the Anushasana Parva, recounts a moment where a divine woman is commended for performing austerities without greed or wish-fulfillment motives, and he (or the narrator within the cited episode) grants her the boon of immortality as a response to that purity of intent.