One verse

Srimad Bhagavatam 3.15.35

3.15.35

तेषामितीरितमुभाववधार्य घोरं तं ब्रह्मदण्डमनिवारणमस्त्रपूगै: । सद्यो हरेरनुचरावुरु बिभ्यतस्तत्- पादग्रहावपततामतिकातरेण ॥ ३५ ॥

tesam itiritam ubhav avadharya ghoram tam brahma-dandam anivaranam astra-pugaih sadyo harer anucarav uru bibhyatas tat- pada-grahav apatatam atikatarena

tesam
of the four Kumaras
iti
thus
iritam
uttered
ubhau
both doorkeepers
avadharya
understanding
ghoram
terrible
tam
that
brahma-dandam
curse of a brahmana
anivaranam
not able to be counteracted
astra-pugaih
by any kind of weapon
sadyah
at once
hareh
of the Supreme Lord
anucarau
devotees
uru
very much
bibhyatah
became fearful
tat-pada-grahau
grasping their feet
apatatam
fell down
ati-katarena
in great anxiety

When the doormen of Vaikunthaloka, who were certainly devotees of the Lord, found that they were going to be cursed by the brahmanas, they at once became very much afraid and fell down at the feet of the brahmanas in great anxiety, for a brahmana’s curse cannot be counteracted by any kind of weapon.