Mahabharata 1.7.12
चिन्तयित्वा ततो वह्निश्चक्रे संहारमात्मनःद्विजानामग्निहोत्रेषु यज्ञसत्रक्रियासु च
cintayitvā tato vahniścakre saṃhāramātmanaḥdvijānāmagnihotreṣu yajñasatrakriyāsu ca
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book