Mahabharata 12.233.13
यत्र तद्ब्रह्म परममव्यक्तमजरं ध्रुवम्अव्याहतमनायासममृतं चावियोगि च
yatra tadbrahma paramamavyaktamajaraṃ dhruvamavyāhatamanāyāsamamṛtaṃ cāviyogi ca
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book