We have often heard the phrase "love of Godhead." How far this love of Godhead can actually be developed can be learned from the Vaiṣṇava philosophy. Theoretical knowledge of love of God can be found in many places and in many scriptures, but what that love of Godhead actually is and how it is developed can be found in the Vaiṣṇava literatures. It is the unique and highest development of love of God that is given by Caitanya Mahāprabhu.
Even in this material world we can have a little sense of love. How is this possible? It is due to the presence of our original love of God. Whatever we find within our experience within this conditioned life is situated in the Supreme Lord, who is the ultimate source of everything. In our original relationship with the Supreme Lord there is real love, and that love is reflected pervertedly through material conditions. Our real love is continuous and unending, but because that love is reflected pervertedly in this material world, it lacks continuity and is inebriating. If we want real, transcendental love, we have to transfer our love to the supreme lovable object—Kṛṣṇa, the Supreme Personality of Godhead. This is the basic principle of Kṛṣṇa consciousness.
In material consciousness we are trying to love that which is not at all lovable. We give our love to cats and dogs, running the risk that at the time of death we may think of them and consequently take birth in a family of cats or dogs. Our consciousness at the time of death determines our next life. That is one reason why the Vedic scriptures stress the chastity of women: If a woman is very much attached to her husband, at the time of death she will think of him, and in the next life she will be promoted to a man's body. Generally a man's life is better than a woman's because a man usually has better facilities for understanding the spiritual science.
But Kṛṣṇa consciousness is so nice that it makes no distincition between man and woman. In the Bhagavad-gītā (9.32), Lord Kṛṣṇa says, "Anyone who takes shelter of Me—whether a woman, śūdra, vaiśya or someone of low birth—is sure to achieve My association." This is Kṛṣṇa's guarantee.
Caitanya Mahāprabhu informs us that in every country and in every scripture there is some hint of love of Godhead. But no one knows what love of Godhead actually is. The Vedic scriptures, however, are different in that they can direct the individual in the proper way to love God. Other scriptures do not give information on how one can love God, nor do they actually define or describe what or who the Godhead actually is. Although they officially promote love of Godhead, they have no idea how to execute it. But Caitanya Mahāprabhu gives a practical demonstration of how to love God in a conjugal relationship. Taking the part of Śrīmatī Rādhārāṇī, Caitanya Mahāprabhu tried to love Kṛṣṇa as Rādhārāṇī loved Him. Kṛṣṇa was always amazed by Rādhārāṇī’s love. "How does Rādhārāṇī give Me such pleasure?" He would ask. In order to study Rādhārāṇī, Kṛṣṇa lived in Her role and tried to understand Himself. This is the secret of Lord Caitanya's incarnation. Caitanya Mahāprabhu is Kṛṣṇa, but He has taken the mood and role of Rādhārāṇī to show us how to love Kṛṣṇa. Thus the author writes in the fifth verse, “I offer my respectful obeisances unto the Supreme Lord, who is absorbed in Rādhārāṇī’s thoughts.”