Shiva Purana
तस्य दुःखप्रशांत्यर्थं प्रजानां च विवृद्धये ॥ तत्तत्कल्पेषु कालात्मा रुद्रो रुद्रगणाधिपः ॥ ३ ॥
To relieve his suffering and to increase the prosperity of his subjects In those respective kalpas Rudra, the soul of time, is the lord of the hosts of Rudras.
english translation
tasya duHkhaprazAMtyarthaM prajAnAM ca vivRddhaye ॥ tattatkalpeSu kAlAtmA rudro rudragaNAdhipaH ॥ 3 ॥
hk transliteration by Sanscript