George Harrison on Chanting the Hare Krishna Mantra (1 min video)
Srila Prabhupada: It is the special mercy of the Supreme Lord that as soon as He knows that one is glorifying His name, fame and attributes, He personally helps cleanse the dirt from one’s heart. (Srimad-Bhagavatam, 6.2.12 Purport).
Watch it here: https://goo.gl/PhBHJG