utsahan niscayad dhairyat
tat-tat-karma-pravartanat
sadbhir bhaktih prasidhyati
utsahat-by enthusiasm; niscayat-by confidence; dhairyat-by patience; tat-tat-karma-various activities favorable for devotional service; pravartanat-by performing; saṅga-tyagat-by giving up the association of nondevotees; satah-of the great previous acaryas; vrtteh-by following in the footsteps; sadbhih-by these six; bhaktih-devotional service; prasidhyati-advances or becomes successful.