Shiva Purana
पञ्चाक्षरं जपन्मंत्रं शिवप्रेमसमाकुलः ॥ तेजसां च स्वयंराशिस्साक्षाद्धर्म इवापरः ॥ २३॥
He was repeating the five-syllabled mantra. He was fully engrossed in the love of Śiva. He was a heap of lustrous brilliance, a manifestation of virtue itself.
english translation
paJcAkSaraM japanmaMtraM zivapremasamAkulaH ॥ tejasAM ca svayaMrAzissAkSAddharma ivAparaH ॥ 23॥
hk transliteration by Sanscript