Attaining Salvation
One can attain salvation simply by chanting the holy name of the Lord.
Srimad Bhagavatam 1.18.7
Realizing The Supreme
In this age no process of realizing the Supreme is possible except the chanting of the holy names of Lord Krishna: Hare Krishna, Hare Krishna, Krishna Krishna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare.
Bhagavad-gita 8.11,
Srila Prabhupada
Importance of Chanting the Maha Mantra
If one wants to achieve success at the end of his life, the process of remembering Krishna is essential. Therefore one should constantly/incessantly chant the Maha Mantra.
The Lord of Your Heart
By chanting of Hare Krishna, you have the Lord with you and He satisfies you. He pleases you. You are pleased with your Lord. He is also the Lord of your heart.
Merit Derived From Chanting Hare Krishna
Even if one distributes ten million cows in charity during an eclipse of the sun, lives at the confluence of the Ganges and Yamuna for millions of years, or gives a mountain of gold in sacrifice to the brahmanas, he does not earn even one hundredth part of the merit derived from chanting Hare Krishna.
Chanting the Holy Names is a Vital Point
Keep up your endeavor for engaging in devotional service. Chanting the Holy Names is a vital point of devotional service. Be sure to improve on your quality of chanting. All other services are strongly supported by chanting of the Holy Name.