Manu said that since he was advised and instructed by Kardama Muni, he was very much favored. He considered himself lucky to receive the message by aural reception. It is especially mentioned here that one should be very inquisitive to hear with open ears from the authorized source of the bona fide spiritual master. How is one to receive? One should receive the transcendental message by aural reception. The word karna-randhraih means through the holes of the ears. The favor of the spiritual master is not received through any other part of the body but the ears. This does not mean, however, that the spiritual master gives a particular type of mantra through the ears in exchange for some dollars and if the man meditates on that he achieves perfection and becomes God within six months. Such reception through the ears is bogus. The real fact is that a bona fide spiritual master knows the nature of a particular man and what sort of duties he can perform in Krsna consciousness, and he instructs him in that way. He instructs him through the ear, not privately, but publicly. You are fit for such and such work in Krsna consciousness. You can act in this way. One person is advised to act in Krsna consciousness by working in the Deities room, another is advised to act in Krsna consciousness by performing editorial work, another is advised to do preaching work, and another is advised to carry out Krsna consciousness in the cooking department. There are different departments of activity in Krsna consciousness, and a spiritual master, knowing the particular ability of a particular man, trains him in such a way that by his tendency to act he becomes perfect. Bhagavad-gita makes it clear that one can attain the highest perfection of spiritual life simply by offering service according to his ability, just as Arjuna served Krsna by his ability in the military art. Arjuna offered his service fully as a military man, and he became perfect. Similarly, an artist can attain perfection simply by performing artistic work under the direction of the spiritual master. If one is a literary man, he can write articles and poetry for the service of the Lord under the direction of the spiritual master. One has to receive the message of the spiritual master regarding how to act in ones capacity, for the spiritual master is expert in giving such instructions.

This combination, the instruction of the spiritual master and the faithful execution of the instruction by the disciple, makes the entire process perfect. Srila Visvanatha Cakravarti Thakura describes in his explanation of the verse in Bhagavad-gita, vyavasayatmika buddhih, that one who wants to be certain to achieve spiritual success must take the instruction from the spiritual master as to what his particular function is. He should faithfully try to execute that particular instruction and should consider that his life and soul. The faithful execution of the instruction which he receives from the spiritual master is the only duty of a disciple, and that will bring him perfection. One should be very careful to receive the message from the spiritual master through the ears and execute it faithfully. That will make ones life successful.