Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 43
Sanskrit:
य एनं श्रावयेन्मर्त्य उत्तम:श्लोकविक्रमम् ।समाहितो वा शृणुयात् सर्वपापै: प्रमुच्यते ॥ ४३ ॥
ITRANS:
ya enaṁ śrāvayen martyauttamaḥ-śloka-vikramamsamāhito vā śṛṇuyātsarva-pāpaiḥ pramucyate
Translation:
Any mortal who recounts this heroic pastime of Lord Uttamaḥ-śloka’s, or who simply hears it attentively, will become freed from all sins.