Exegetically examining the First Epistle of St. John, William Edward Jelf provides concise elucidation and explication of the text. Referring to semantics for literal interpretation, Jelf offers insight on historical context, colloquial use of language, and textual emphasis. Jelf’s commentary relies on early Church fathers and theologians such as Iranaeus, John Calvin, and Martin Luther for further clarification on doctrinal points.