Drink more and you become a drunkard. Similarly chant more and you become a perfect chanter.
Simply by chanting the Hare Krishna mantra one revives his original relationship with God.
Srimad Bhagavatam 7.7.39,
Srila Prabhupada
The chanting itself purifies us and as the heart becomes purified, the Holy name is revealed to us as being non-different than Lord Krishna.
Chanting of the Hare Krishna mantra is the easiest process of meditation in this age.
Srimad Bhagavatam 4.8.53,
Srila Prabhupada
Chanting Hare Krishna increases the ocean of transcendental bliss.
The Quest for Enlightment, Chapter 1,
Srila Prabhupada