Bhagavad Gita: Chapter 1, Verse 44
उत्सन्नकुलधर्माणां मनुष्याणां जनार्दन |
नरकेऽनियतं वासो भवतीत्यनुशुश्रुम || 44||
utsanna-kula-dharmāṇāṁ manuṣhyāṇāṁ janārdana
narake ‘niyataṁ vāso bhavatītyanuśhuśhruma
O Janardan (Krishna), I have heard from the learned that those who destroy family traditions dwell in hell for an indefinite period of time.