The Nectar of Devotion (Bhakti-rasamrita-sindhu) is a seminal text on the practice of bhakti (devotional service) written by Srila Rupa Gosvami, one of the foremost disciples of Sri Chaitanya Mahaprabhu. Completed in the 16th century, this work is considered one of the most important scriptures in the Gaudiya Vaishnavism tradition. In it, Gosvami outlines the principles of devotional service, the different stages of bhakti, and the qualities that define pure devotion to Lord Krishna. The text also delves into the nature of love and devotion, detailing the different relationships between the devotee and God, and offers practical guidance for cultivating a deeper spiritual connection. The Nectar of Devotion serves as both a philosophical treatise and a practical guide for those seeking to deepen their devotion and understanding of bhakti yoga.

Srila Rupa Gosvami was a revered saint, scholar, and one of the principal disciples of Sri Chaitanya Mahaprabhu, playing a pivotal role in developing the Gaudiya Vaishnavism tradition. Born in the 15th century in Bengal, Rupa, along with his brother Sanatan, renounced their prestigious positions in the royal administration to dedicate their lives to the service of Lord Krishna. Moving to Vrndavana, he became a central figure in preserving and spreading the teachings of Sri Chaitanya, mainly through his profound writings. His most significant work, The Nectar of Devotion, systematically outlines the principles of devotional service and the path of bhakti, establishing the foundation for Vaishnavism. Rupa Gosvami's contributions to theology, devotional practice, and philosophy continue to inspire millions of devotees worldwide.