In the second verse of the Caitanya-caritāmṛta, the author offers his obeisances to Lord Caitanya and Lord Nityānanda. He compares Them to the sun and the moon because They dissipate the darkness of the material world. In this instance the sun and the moon have risen together.
In the Western world, where the glories of Lord Caitanya are relatively unknown, one may inquire, "Who is Kṛṣṇa Caitanya?" The author of the Caitanya-caritāmṛta, Śrīla Kṛṣṇadāsa Kavirāja, answers that question in the third verse of his book. Generally, in the Upaniṣads the Supreme Absolute Truth is described in an impersonal way, but the personal aspect of the Absolute Truth is mentioned in the Īśopaniṣad, where we find the following verse: