Bhagavatapurana 6.2.12

6.2.12

naikāntikaṃ taddhi kṛte 'pi niṣkṛte manaḥ punardhāvati cedasatpathe /
tat karmanirhāramabhīpsatāṃ harer guṇānuvādaḥ khalu sattvabhāvanaḥ //

12. That process of expiation is not final and absolute, even after observance of which the mind again gets into the wrong path; on the other hand, for those who seek after the final remedy for their sinful Karma, frequent discourse on (repetition of) Hari's (names and) qualities forms really the way to purifying their mind and heart.