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aruṇāyāṃ mahārāja brahmāvadhyāpahā hi sā | naraśreṣṭha mahārṣīṇāṃ etan mataṃ jñātvā saritāṃ śreṣṭhā sarasvatī svāṃ svarūpabhūtām aruṇāṃ ānayat | mahārāja tasyām aruṇāyāṃ snātvā te rākṣasāḥ śarīraṃ tyaktvā svargalokaṃ jagmuḥ, yasmāt sā brahmahatyā-nivāriṇī || etam artham abhijñāya devarājaḥ śatakratuḥ ||
Vaiśaṃpāyana said: “O king, Aruṇā is indeed a remover of the taint of brahma-slaughter. O best of men, understanding this conviction of the great seers, Sarasvatī—foremost among rivers—brought forth Aruṇā, who is of her own very essence. O king, after bathing in that Aruṇā, those rākṣasas cast off their bodies and went to heaven, for she has the power to annul the sin of brahmahatyā.” Having understood this matter, the lord of the gods, Śatakratu (Indra)…
वैशम्पायन उवाच
The passage emphasizes the ethical idea that grave moral taints (like brahmahatyā) require purification and expiation, and that sacred tīrthas—understood as embodiments of divine power—are portrayed as capable of restoring moral and spiritual purity, enabling even deeply fallen beings to attain a higher state.
Vaiśaṃpāyana explains that the river Aruṇā, brought forth by Sarasvatī after the seers’ counsel, has the power to remove the sin of brahmahatyā. Certain rākṣasas bathe in Aruṇā, abandon their bodies, and reach heaven. The verse then transitions to Indra (Śatakratu) reacting upon learning this.