What we saw in the Gospels, Acts, Romans, Revelation, and Jude, we could also see in Galatians, Hebrews, James, First and Second Peter, because they use the Old Testament
heavily to build their arguments, and the rest of the New Testament Books use the Old Testament, but not as part of their major argumentation.
Those who object to Old Testament preaching and teaching, need to condense the Bible like the Reader’s Digest or the Jesus Seminar.
To understand the New Testament we have to understand the Old Testament!
If we read the New Testament we cannot avoid the Old Testament, because the Old Testament is the New Testament concealed, and the New Testament is the Old Testament revealed.
The story of the New Testament is a continuation of the story of the Old.
Why should I as a Christian concern myself with the Old Testament? It is the word of God just as much as the New Testament is the word of God.
The Holy Spirit in His infinite wisdom preserved the Old Testament for Christians, and moved New Testament preachers to quote from it, to illustrate with it, and to use it as an authority.
Let us continue to read the entire Bible, for as Jesus once said, “It is written, ‘Man shall not live by bread alone, but by every word that proceeds from the mouth of God’” (Matt 4.4).
By the way, He quoted Deuteronomy 8.3.
Therefore, if you read the Old Testament, you shall truly live!