Love of God
Love of God is transcendental to liberation [mukti], and thus it is called the fifth stage of spiritual realization, above the stage of liberation.
Srimad Bhagavatam Introduction.
Injunction of All The Revealed Scriptures
In this age of Kali there is no other religion but the glorification of the Lord by utterance of His holy name, and that is the injunction of all the revealed scriptures.
Effects of Congregational Chanting
By performing congregational chanting of the Hare Krishna mantra, one can destroy the sinful condition of material existence, purify the unclean heart and awaken all varieties of devotional service.
Chaitanya Caritamrta on Antya Lila 20.13
Most Important Process of Devotional Service
Of the nine processes of devotional service, the most important is to always chant the holy name of the Lord. If one does so, avoiding the ten kinds of offenses, one very easily obtained the most valuable love of Godhead.
Chaitanya Caritamrta Antya Lila 4.71