Mahabharata 5.105.8
प्रतिश्रुत्य करिष्येति कर्तव्यं तदकुर्वतःमिथ्यावचनदग्धस्य इष्टापूर्तं प्रणश्यति
pratiśrutya kariṣyeti kartavyaṃ tadakurvataḥmithyāvacanadagdhasya iṣṭāpūrtaṃ praṇaśyati
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book