Shiva Purana
भावातिशयलब्धेन प्रसादेन मलक्षयः ॥ क्षीणे चात्ममले तस्मिन् पुमाञ्च्छिवसमो भवेत् ॥ २८ ॥
By grace obtained by excessive emotion the dirt is eradicated. When the self-purity is depleted in that state a man becomes equal to Lord Shiva.
english translation
bhAvAtizayalabdhena prasAdena malakSayaH ॥ kSINe cAtmamale tasmin pumAJcchivasamo bhavet ॥ 28 ॥
hk transliteration by Sanscript