Associating With The Supreme Lord Directly
To associate with the holy name and chant the holy name is to associate with the Personality of Godhead directly.
Offenseless Chanting
We cannot realize the presence of Krishna while chanting the holy names, only because our chanting is not at the level of ‘shuddha nama’ i.e. offense less chanting.
Chanting Krishna’s Names
By chanting Krishna’s names, one will be transferred to the supreme planet, Krishnaloka, without a doubt.
Bhagavad-gita 8.7,
Srila Prabhupada
Greatest Boon of Lord Chaitanya
Lord Caitanya has given the greatest boon: in this age one simply has to chant the holy name of God to attain perfection in spiritual life.
Srimad Bhagavatam 3.21.7,
Srila Prabhupada.
Purest Representation of Krishna
Of all sacrifices, the chanting of Hare Krishna, Hare Krishna, Krishna Krishna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare is the purest representation of Krishna.
Bhagavad-gita 10.25,
Srila Prabhupada
Power of Chanting
One may or may not know the power of chanting the Hare Krishna mantra, but if one chants the holy name he will become free from all sinful reactions.
Srimad Bhagavatam 6.2.18,
Srila Prabhupada