Mahabharata 12.157.13

कुलाज्ज्ञानात्तथैश्वर्यान्मदो भवति देहिनाम्एभिरेव तु विज्ञातैर्मदः सद्यः प्रणश्यति

kulājjñānāttathaiśvaryānmado bhavati dehināmebhireva tu vijñātairmadaḥ sadyaḥ praṇaśyati

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