Bhagavatapurana 12.3.51

12.3.51

kaler doṣa-nidhe rājann asti hy eko mahān guṇaḥ /
kīrtanād eva kṛṣṇasya mukta-saṅgaḥ paraṃ vrajet //

51. In Kali, the store-house of all evils, there is, O king, one great virtue, to wit that during this age a mortal becomes free from attachments and attains to the highest, by the simple means of singing the name of Krishna.