Bhagavad Gita: Chapter 1, Verse 43

दोषैरेतै: कुलघ्नानां वर्णसङ्करकारकै: |
उत्साद्यन्ते जातिधर्मा: कुलधर्माश्च शाश्वता: || 43||

doṣhair etaiḥ kula-ghnānāṁ varṇa-saṅkara-kārakaiḥ
utsādyante jāti-dharmāḥ kula-dharmāśh cha śhāśhvatāḥ

doṣhaiḥthrough evil deeds; etaiḥthese; kula-ghnānāmof those who destroy the family; varṇa-saṅkaraunwanted progeny; kārakaiḥcausing; utsādyanteare ruined; jāti-dharmāḥsocial and family welfare activities; kula-dharmāḥfamily traditions; chaand; śhāśhvatāḥeternal

Translation

BG 1.43: Through the evil deeds of those who destroy the family tradition and thus give rise to unwanted progeny, a variety of social and family welfare activities are ruined.