Shiva Purana
एतच्छ्रुत्या ह्येकवारं भवेत्पापं हि भस्मसात् ॥ अभक्तो भक्तिमाप्नोति भक्तो भक्तिसमृद्धिभाक् ॥ ४५ ॥
On hearing this once, the sins are reduced to ashes. A non-devotee attains devotion and a devotee attains more devotion.
english translation
etacchrutyA hyekavAraM bhavetpApaM hi bhasmasAt ॥ abhakto bhaktimApnoti bhakto bhaktisamRddhibhAk ॥ 45 ॥
hk transliteration by Sanscript