In “An Enquiry into the Obligations of Christians to Use Means for the Conversion of the Heathens,” William Carey presents a compelling argument for the active participation of Christians in missionary work. Written in a persuasive yet scholarly style, the book meticulously explores biblical texts and theological principles to highlight the imperative of spreading the Christian faith. Through a systematic examination of scriptural mandates and historical precedents, Carey constructs a powerful narrative that challenges contemporary complacency towards evangelism, while situating his discourse within the broader context of the emerging modern missionary movement of the late 18th and early 19th centuries. William Carey, often referred to as the 'father of modern missions,' was a British theologian, linguist, and educator whose own life experiences and profound commitment to faith heavily influenced his writing. A key figure in the founding of the Baptist Missionary Society, Carey's early years, marked by a deep concern for the spiritual plight of non-Western cultures, drove him to advocate for a more aggressive approach to evangelism. His extensive travels and linguistic studies underscored the pressing need to engage with distant peoples, thereby contextualizing his theological argument for missionary action. This seminal work is highly recommended for scholars, theologians, and lay readers interested in the intersection of faith and cultural engagement. Carey's insights continue to resonate today, providing both a historical foundation and an enduring call to action for Christians seeking to comprehend their role in the global landscape of faith and evangelism.