Barnabas, an enigmatic figure in early Christian tradition, is traditionally associated with the 'Epistle of Barnabas,' though his exact authorship has been the subject of scholarly debate. The epistle itself is a didactic treatise that delves into theological interpretation and Christian ethics. It is not included in the canonical New Testament but holds a place within the corpus of early Christian writings, offering unique insights into the formative years of Christian thought. Predominant themes within the 'Epistle of Barnabas' include the interpretation of Old Testament scriptures in a Christian context and a distinct dualism between the paths of light and darkness, indicative of early Christian allegorical exegesis. Barnabas, as an author, is recognized for a literary style that interweaves Jewish scriptures with an emerging Christian worldview, underscoring the transition from Jewish practices to new Christian identities. Given the lack of concrete biographical data, attributing the epistle to Barnabas, who is traditionally considered an early Christian disciple and companion of Paul the Apostle, is speculative. Nonetheless, the patristic references to this epistle and its inclusion in certain codices, such as the Codex Sinaiticus, underscore its historical significance and impact on early Christian literature and theology.