aho bata śvapaco 'to garīyān yaj jihvāgre vartate nāma tubhyam tepus tapas te juhuvuḥ sasnur āryā brahmānūcur nāma gṛṇanti ye te

"If a person born in a family of dog-eaters takes to the chanting of the holy name of Krsna, it is to be understood that in his previous life he must have executed all kinds of austerities and penances and performed all the Vedic yajnas." (Bhag. 3.33.7) Another quotation states: