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.