The  Srimad Bhagwatam
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edge, then he is free from the influence of the external energy. Just as the Moon is the reflection of the Sun, and without the existence of the Sun the Moon cannot illuminate, so this material cosmic manifestation is something like the reflection of the Spiritual World.
When one is actually liberated from the spell of the external energy, he can understand the constitutional nature of the Supreme Lord. Devotional service to the Lord is the only means for attaining Him. And this devotional service of the Lord can be accepted by everyone and anyone, in any country, in any atmosphere, and under any circumstance. Devotional Service is above the four principles of religiousness, or above the understanding of liberation. Even the preliminary process of executing devotional service is transcendental to the highest subject matter of liberation in the ordinary course of religiousness.
One should, therefore, approach a bona fide Spiritual Master, irrespective of caste, creed, color, country and place, and he must hear from that bona fide Spiritual Master everything about devotional service. The real purpose of life is to revive our dormant love of God. That is our ultimate necessity. How that love of God can be achieved is explained in the  Srimad Bhagwatam . There is theoretical knowledge and specific, or realized knowledge. The perfect, realized knowledge, is obtained in realization of the teaching received from the Spiritual Master.