Source: Srimad Bhagavatam 1:2:6
स वै पुंसां परो धर्मो यतो भक्तिर् अधोक्षजे
अहैतुक्य् अप्रतिहता ययात्मा सुप्रसीदति
That Dharma is indeed the supreme (Dharma) for the people by which devotion, which has no motives behind and is unobstructed is developed towards Lord Maha Vishnu and by which (devotion) the mind blooms with happiness.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
Having compassion of the Lord as the foundation, the one which has no rules, the one which can eradicate the force of Kali, Namakirtanam is the only resort. I think again and again about this with in Myself