"The Lord says that the service of His servants is greater than His personal service. Service of the devotee is more valuable than the service of the Lord. One should therefore choose a bona fide servant of the Lord constantly engaged in His service, accept such a servant as the spiritual master and engage himself in his (the spiritual master's) service. Such a spiritual master is the transparent medium by which to visualize the Lord, who is beyond the conception of the material senses. By service of the bona fide spiritual master, the Lord consents to reveal Himself in proportion to the service rendered. Utilization of the human energy in the service of the Lord is the progressive path of salvation. The whole cosmic creation becomes at once identical with the Lord as soon as service in relation with the Lord is rendered under the guidance of a bona fide spiritual master. The expert spiritual master knows the art of utilizing everything to glorify the Lord, and therefore under his guidance the whole world can be turned into the spiritual abode by the divine grace of the Lord's servant."
(Śrīmad-Bhāgavatam 1.5.23, Purport)
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