Shiva Purana
अथ च ते पशुपाशमुमुक्षयाखिलतया कृतपाशुपतव्रताः ॥ अधिकृताखिलबोधसमाधयः परमनिर्वृतिमापुरनिंदिताः ॥ ४२ ॥
Then the sages performed the Pāśupata rites with the desire to get released from the bondage. They attained enlightenment. They learnt modes of Samādhi and achieved the greatest Bliss.
english translation
atha ca te pazupAzamumukSayAkhilatayA kRtapAzupatavratAH ॥ adhikRtAkhilabodhasamAdhayaH paramanirvRtimApuraniMditAH ॥ 42 ॥
hk transliteration by Sanscript