One verse

Srimad Bhagavatam 11.28.2

11.28.2

परस्वभावकर्माणि य: प्रशंसति निन्दति । स आशु भ्रश्यते स्वार्थादसत्यभिनिवेशत: ॥ २ ॥

para-svabhāva-karmāṇi yaḥ praśaṁsati nindati sa āśu bhraśyate svārthād asaty abhiniveśataḥ

para
another’s
svabhāva
personality
karmāṇi
and work
yaḥ
who
praśaṁsati
praises
nindati
criticizes
saḥ
he
āśu
quickly
bhraśyate
falls down
sva-arthāt
from his own interest
asati
in unreality
abhiniveśataḥ
because of becoming entangled

Whoever indulges in praising or criticizing the qualities and behavior of others will quickly become deviated from his own best interest by his entanglement in illusory dualities.