Shiva Purana
प्रतिज्ञां शृणुतान्तातौ यदि वान्तनयो ह्यहम् ॥ करिष्येहं तथा येन मृत्युस्त्रस्तो भविष्यति ॥ ८ ॥
O my parents, please listen to my vow. If I am your true son, I will do that whereby death itself will be terrified.
english translation
pratijJAM zRNutAntAtau yadi vAntanayo hyaham ॥ kariSyehaM tathA yena mRtyustrasto bhaviSyati ॥ 8 ॥
hk transliteration by Sanscript