Mahabharata 13.130.48

आत्मानमुपजीवन्यो दीक्षां द्वादशवार्षिकीम्त्यक्त्वा महार्णवे देहं वारुणं लोकमश्नुते

ātmānamupajīvanyo dīkṣāṃ dvādaśavārṣikīmtyaktvā mahārṇave dehaṃ vāruṇaṃ lokamaśnute

Our plain-language meaning of this verse is waiting for scholar review.