Shiva Purana

siva.sh/siva-purana/rudra-samhita/191/6

न जाने कोयमभयः को वा घोरपराक्रमः ।। विचार्येति महाबुद्धिस्सं दिग्धोऽभूच्छरासुरः ।। ६ ।।

sanskrit

After saying this, the Asura Bāṇa thought within himself intelligently. “It is not known who this fearless fellow is. Certainly he is a man of terrible exploit”. Thinking thus Bāṇa hesitated to act.

english translation

na jAne koyamabhayaH ko vA ghoraparAkramaH || vicAryeti mahAbuddhissaM digdho'bhUccharAsuraH || 6 ||

hk transliteration by Sanscript