Shiva Purana
शक्र उवाच॥ पुत्रं दास्यामि पुत्रार्थिन्योनिजं मृत्युसंयुतम् ॥ अन्यथा ते न दास्यामि मृत्युहीना न सन्ति वै ॥ १०॥
Indra said:— O desirer of a son, I can give you only a son born of a womb and sure to die. I cannot give it to you otherwise. There are no persons who can escape death.
english translation
zakra uvAca॥ putraM dAsyAmi putrArthinyonijaM mRtyusaMyutam ॥ anyathA te na dAsyAmi mRtyuhInA na santi vai ॥ 10॥
hk transliteration by Sanscript