Shiva Purana
अहं पापी महानद्य पावनश्च भवान्महान् । इति विज्ञाय गौरीश यदिच्छसि तथा कुरु ५८ ।
I am a great sinner, but You, O Gaurīśa (Lord Shiva), are the greatest purifier. Knowing this, whatever You wish to do, please do so.
english translation
ahaM pApI mahAnadya pAvanazca bhavAnmahAn । iti vijJAya gaurIza yadicchasi tathA kuru 58 ।
hk transliteration by Sanscript