The answer from God’s word:
“… it is nothing more than a historical record of God’s work, and a testament to the previous two stages of God’s work, and offers you no understanding of the aims of God’s work. Everyone who has read the Bible knows that it documents the two stages of God’s work during the Age of Law and the Age of Grace. The Old Testament chronicles the history of Israel and Jehovah’s work from the time of creation until the end of the Age of Law. The New Testament records Jesus’ work on earth, which is in the Four Gospels, as well as the work of Paul; are they not historical records? …