Shiva Purana

siva.sh/siva-purana/saturda-samhita/4/6

तदाहं ब्राह्मणार्थाय कलौ तस्मिन्युगान्तिके।। भविष्यामि शिवायुक्तः श्वेतो नाम महामुनिः ।।६।।

sanskrit

Then I went to Kali for the sake of a brahmin at the end of that age I shall become a great sage named Sweta endowed with Siva.

english translation

tadAhaM brAhmaNArthAya kalau tasminyugAntike|| bhaviSyAmi zivAyuktaH zveto nAma mahAmuniH ||6||

hk transliteration by Sanscript