One verse

Bhagavad Gita 1.43

1.43

दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः | उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः ||१-४३||

doṣairetaiḥ kulaghnānāṃ varṇasaṅkarakārakaiḥ . utsādyante jātidharmāḥ kuladharmāśca śāśvatāḥ ||1-43||

doṣaiḥ
by such faults
etaiḥ
all these
kula-ghnānām
of the destroyers of the family
varṇa-saṅkara
of unwanted children
kārakaiḥ
which are causes
utsādyante
are devastated
jāti-dharmāḥ
community projects
kula-dharmāḥ
family traditions
ca
also
śāśvatāḥ
eternal

By the evil deeds of those who destroy the family tradition and thus give rise to unwanted children, all kinds of community projects and family welfare activities are devastated.