In “Devotion to the Sacred Heart of Jesus,” Jean Croiset explores the profound spiritual practice surrounding the Sacred Heart, a symbol of Christ's divine love and compassion. Written in the baroque style characteristic of 17th-century Catholic spirituality, the text intertwines theological reflection and meditative practices, providing readers with a contemplative framework to deepen their relationship with Jesus. Through rich imagery and emotive language, Croiset engages with themes of human suffering, redemption, and the transformative power of divine love, situating his discourse within the broader context of Catholic mysticism and counter-reformation thought. Jean Croiset, a French Jesuit priest and spiritual writer, was heavily influenced by the mystic tradition of his time, along with his experiences in pastoral ministry. His commitment to the Jesuit educational principles and the promotion of devotional practices shaped his understanding of spirituality, leading him to articulate a path toward divine union that emphasizes affectionate surrender to God's love. Croiset's works reflect his deep theological insights as well as a sincere pastoral concern for guiding the faithful. This enduring work is recommended for both scholars and laypersons seeking to enrich their spiritual lives through profound meditation on Christ's love. Croiset's thoughtful elucidation encourages readers to cultivate an intimate relationship with the Sacred Heart, making it a cornerstone resource for anyone devoted to understanding and embracing this powerful Christian devotion.