Bhagavatapurana 3.5.45

3.5.45

pānena te deva kathā-sudhāyāḥ pravṛddha-bhaktyā viśadāśayā ye /
vairāgya-sāraṃ pratilabhya bodhaṃ yathāñjasānvīyur akuṇṭha-dhiṣṇyam //

45. O Lord, those that by drinking of the nectar of Thy stories and by the intense devotion promoted by it, have their minds thoroughly purified, and obtain true knowledge, strong by virtue of renunciation, they surely attain to the eternal abode of Vishnu, without any great effort or difficulty.