Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 23
Sanskrit:
शस्त्रैरस्त्रान्वितैरेवमनिर्भिन्नत्वचं हर: ।विस्मयं परमापन्नो दध्यौ पशुपतिश्चिरम् ॥ २३ ॥
ITRANS:
śastrair astrānvitair evamanirbhinna-tvacaṁ haraḥvismayaṁ param āpannodadhyau paśupatiś ciram
Translation:
He tried to cut the head of Dakṣa with hymns as well as weapons, but still it was hard to cut even the surface of the skin of Dakṣa’s head. Thus Vīrabhadra was exceedingly bewildered.