1. As you listen to the story of Bhagavan, the mind becomes pure. Lord Krishna shines in the hearts of devotees who listen to his story. Moreover, He destroys the unholy thoughts and inauspicious tendencies.
शृण्वतां स्वकथां कृष्णः पुण्य श्रवणकीर्तनः। हृद्यन्तः स्थो ह्यभद्राणि विधुनोति सुहृत् सताम्॥ श्रीमद्भागवतम् १-२-१७॥