Introduction
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having to take help from his wife. Because we have no experience with spiritual energy, we think that Brahmā's birth from the navel of Viṣṇu is simply a fictional story. We are not aware that spiritual energy is so powerful that it can do anything and everything. Material energy is dependent on certain laws, but spiritual energy is fully independent.
Brahmā is born from the navel of Garbhodakaśāyī Viṣṇu, who is but a partial manifestation of the Mahā-Viṣṇu. Countless universes reside like seeds within the skin pores of the Mahā-Viṣṇu, and when He exhales, they all are manifest. In the material world we have no experience of such a thing, but we do experience a perverted reflection in the phenomenon of perspiration. We cannot imagine, however, the duration of one breath of the Mahā-Viṣṇu, for within one breath all of the universes are created and annihilated. Lord Brahmā only lives for the duration of one breath, and according to our time scale 4,320,000,000 years constitute only twelve hours of Brahmā, and Brahmā lives one hundred of his years. Yet the whole life of Brahmā is contained within one breath of the Mahā-Viṣṇu. Thus it is not possible for us to imagine the breathing power of the Supreme Lord. That Mahā-Viṣṇu is but a partial manifestation of Kṛṣṇa.
Thus Kṛṣṇadāsa Kavirāja Gosvāmī discusses Lord Caitanya Mahāprabhu as Śrī Kṛṣṇa Himself, the Supreme Personality of Godhead, and Lord Nityānanda as Balarāma, the first expansion of Kṛṣṇa. Advaitācārya, another principal disciple of Lord Caitanya Mahāprabhu's, is accepted as an expansion of the Mahā-Viṣṇu. Thus Advaitācārya is also the Lord, or, more precisely, an expansion of the Lord. The word  advaita  means nondual, and his name is such because he is nondifferent from the Supreme Lord. He is also called  ācārya , teacher, because he disseminated Kṛṣṇa consciousness. In this way he is just like Caitanya Mahāprabhu. Although Caitanya is Śrī Kṛṣṇa Himself, He appears as a devotee to teach people in general how to love Kṛṣṇa. Similarly, Advaitācārya appeared just to distribute the knowledge of Kṛṣṇa consciousness. Thus he is also the Lord incarnated as a devotee. Kṛṣṇa is manifested in five different expansions, and He and all of His associates appear as devotees of the Supreme Lord in the form of Śrī Kṛṣṇa Caitanya, Nityānanda, Advaitācārya, Gadādhara, Śrīvāsa and others. In all cases, Caitanya Mahāprabhu is the source of energy for all His devotees. Since this is the case, if we take shelter of Caitanya Mahāprabhu for the successful execution of Kṛṣṇa consciousness, we are sure to make progress. One devotional song by Narottama dāsa Thākura states: "My dear Lord Caitanya, please have mercy upon me. There is no one who is as merciful as You. My plea is most urgent because Your mission is to deliver fallen souls, and no one is more fallen than I. I beg priority."
The author of  Caitanya-caritāmṛta , Kṛṣṇadāsa Kavirāja Gosvāmī, was an inhabitant of Vṛndāvana and a great devotee. He had been living with his family in Katwa, a small town in the district of Burdwan in Bengal. His family also worshiped Rādhā-Kṛṣṇa, and once when there was some misunderstanding amongst his family about devotional service, Kṛṣṇadāsa Kavirāja was advised by Nityānanda Prabhu in a dream to leave home and go to Vṛndāvana. Although he was very old, he started out that very night and went to live in Vṛndāvana. While he was there, he met some of the