Therefore the Ganges is accepted as the most sacred water of Viṣṇu and is worshiped by all Hindus, from the Himalayas down to the Bay of Bengal.
Mahā-Viṣṇu is actually an expansion of Balarāma, who is Kṛṣṇa's first expansion and, in the Vṛndāvana pastimes, His brother. In the mahā-mantra—Hare Kṛṣṇa, Hare Kṛṣṇa, Kṛṣṇa Kṛṣṇa, Hare Hare/ Hare Rāma, Hare Rāma, Rāma Rāma, Hare Hare—the word "Rāma" refers to Balarāma. Since Lord Nityānanda is Balarāma, "Rāma" also refers to Lord Nityānanda. Thus Hare Kṛṣṇa, Hare Rāma addresses not only Kṛṣṇa and Balarāma but Lord Caitanya and Lord Nityānanda as well.
The subject matter of the Caitanya-caritāmṛta deals primarily with what is beyond this material creation. The cosmic material expansion is called māyā, illusion, because it has no eternal existence. Because it is sometimes manifested and sometimes not, it is regarded as illusory. But beyond this temporary manifestation is a higher nature, as indicated in the Bhagavad-gītā (8.20):