This article is a detailed discussion on the nature of the word of God. It involves a survey of different views in the history of theology about this subject. The author includes the views of Thomas Aquinas, Anselm, and Augustine, and moves to the views of the Reformation and afterward.

Berkhof studies some perversions of the gospel from the time of the early New Testament church to when Gnosticism took centre stage. In the early church he takes note of perversions such as those of the Nazarenes, the Ebionites, and the Elkesaites. He also examines Gnosticism, its origins, character, teachings, and historical significance.

From the beginning the gospel faced the threat of being perverted. This article looks at the Nazarenes, Ebionites, Elkesaites, and Gnosticism as those sects that perverted the gospel.

This article explores the biblical grounds for the divinity of the three persons of the Trinity, and their relation to one another.