Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 17
Sanskrit:
ततश्च गदयारातिं दक्षिणस्यां भ्रुवि प्रभु: ।आजघ्ने स तु तां सौम्य गदया कोविदोऽहनत् ॥ १७ ॥
ITRANS:
tataś ca gadayārātiṁdakṣiṇasyāṁ bhruvi prabhuḥājaghne sa tu tāṁ saumyagadayā kovido ’hanat
Translation:
Then with His mace the Lord struck the enemy on the right of his brow, but since the demon was expert in fighting, O gentle Vidura, he protected himself by a maneuver of his own mace.