Shiva Purana
ततः क्षणादहं शंभोस्तनुजस्तस्य चाज्ञया॥ स जातः पूर्व्वमेवाहं युगान्ताग्निसमप्रभः ॥ ३८ ॥
But before the beginning of sacrifice I was born as Śiva’s son at his bidding, with a lustre as brilliant as the fire at the end of a Yuga.
english translation
tataH kSaNAdahaM zaMbhostanujastasya cAjJayA॥ sa jAtaH pUrvvamevAhaM yugAntAgnisamaprabhaH ॥ 38 ॥
hk transliteration by Sanscript