One, who worships the Supreme Lord and His holy name with undivided faith, knowing them to be identical, is considered an elevated, first class devotee, even if he does not understand the intricacies of his own spiritual identity.
Living beings who are entangled in the complicated meshes of birth and death can be freed immediately by even unconsciously chanting the holy name of Krishna, which is feared by fear personified.
By hearing about and glorifying the Lord, all a person’s activities become molded into spiritual activities and thus all conceptions of material miseries become completely vanquished.
Philosophical research culminates in understanding the Supreme Personality of Godhead. After achieving this understanding, when one becomes free from the material modes of nature he attains the stage of devotional service. Either by devotional service directly or by philosophical research, one has to find the same destination, which is the Supreme Personality of Godhead.