Only Sraddha is Needed
knowing these five things from a bona-fide Guru, you can adopt these five kinds of processes. Then your chanting and remembering of that mantra will give the fruit that you want—krsna-prema. Otherwise not. If the Guru himself does not know what these five things are, then how can he give all these things to his disciples? He can never give these things. Srila Jiva Gosvami has especially written in his Sandarbhas that we should chant our mantras like this…