Shiva Purana
ततोऽभवद्वियद्वाणी मा भैषीः कमलासन॥ कण्टकं नाशयाम्यद्य हत्वाजौ मधुकैटभौ ॥ ६८॥
Then a celestial voice arose:—“O lotus-seated one, do not be afraid. I shall remove the thorn after killing Madhu and Kaiṭabha in the battle.”
english translation
tato'bhavadviyadvANI mA bhaiSIH kamalAsana॥ kaNTakaM nAzayAmyadya hatvAjau madhukaiTabhau ॥ 68॥
hk transliteration by Sanscript