Bhagavatapurana 1.8.15

1.8.15

yadyapyastraṃ brahmaśirastvamoghaṃ cāpratikriyam /
vaiṣṇavaṃ teja āsādya samaśāmyadbhṛgūdvaha //

15. Though the missile of Brahmasiras can never be resisted, prove ineffectual or be counteracted, still having met Vishnu's Fire (Sudarsana) it was put out, O the best of the Bhrigus.