Claim: The Bible consists of only one part called the Old Testament.
Evidence: The New Testament is a collection of writings by early Christians , believed to be mostly Jewish disciples of Christ , written in first-century Koine Greek.
The New Testament or NT -LRB- Ἡ Καινὴ , Hē Kainḕ Diathḗkē ; Novum Testamentum -RRB- is the second major part of the Christian biblical canon , the first part being the Old Testament , based on the Hebrew Bible.