Mahabharata 12.303.16
अन्यो ह्यग्निरुखाप्यन्या नित्यमेवमवैहि भोःन चोपलिप्यते सोऽग्निरुखासंस्पर्शनेन वै
anyo hyagnirukhāpyanyā nityamevamavaihi bhoḥna copalipyate so'gnirukhāsaṃsparśanena vai
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book