Srimad Bhagavatham 10:70:43
श्रवणात् कीर्तनाद् ध्यानात् पूयन्ते‘न्ते-वसायिनः
तव ब्रह्म-मयस्येश किम् उतेक्षाभिमर्शिनः
Oh Lord the quintessence of absolute truth, even the lowborn become sacred on hearing Your praises, Chanting Your Divine names and glories and by meditating upon you. What then to speak of those who see and touch You?
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
He has been to the Sacred River Ganga, to Gaya and Kashi, as well as to Pushakaram, on whose tongue reside these two alphabets: HaRi
The only certain course for success declared unanimously by all the sages of yore is the hearing, chanting, and meditation of the Glory of the Divine Name of Sri Hari
Pure love towards Me is developed by hearing My praises, having My darshan, meditating on Me and by Chanting My Divine names and glories.
The holy places themselves owe their sanctity to this confluence (the Lord, the Devotee and the Name). Auspicious, indeed, is every moment spent at the Saints' feet.
He used to say: 'I have spoken the name of God once. That is enough. How can I remain a sinner?
Chant the Mahamantra Nama kirtan :
Hare Rama Hare Rama Rama Rama Hare Hare
Hare Krishna Hare Krishna Krishna Krishna Hare Hare