A devotee should be fixed in the conclusion that, the spiritual master cannot be subject to criticism and should never be considered equal to a common man.
A. C. Bhaktivedanta Swami PrabhupadaOne must execute devotional service under the guidance of a devotee or directly under the guidance of the Supreme Personality of Godhead. It is not possible, however, to train oneself without guidance from the spiritual master.
A. C. Bhaktivedanta Swami PrabhupadaThe holy name of Krishna has extraordinary spiritual potency because the name of God is nondifferent from God Himself.
A. C. Bhaktivedanta Swami PrabhupadaOur first duty is to satisfy the spiritual master, who can arrange for the Lord's mercy. A common man must first begin to serve the spiritual master or the devotee. Then, through the mercy of the devotee, the Lord will be satisfied. Unless one receives the dust of a devotee's lotus feet on one's head, there is no possibility of advancement. Unless one approaches a pure devotee, he cannot understand the Supreme Personality of Godhead.
A. C. Bhaktivedanta Swami Prabhupada