He removed Bible bits he didn't like
One of the earliest challenges to the commonly recognized collection of books that the churches used as Scripture came from a man named Marcion. He was a wealthy and prominent church leader who lived in the early second century AD in a coastal in of northern Asia Minor (today this is in the country of Turkey). He was passionate about the writings of the apostle Paul but had a very skewed idea of what they taught. Ultimately, he advocated that only ten letters of the apostle Paul should be accepted as Scripture as well as the Gospel of Luke; all other Scriptures should be rejected (including the Old Testament). Because of his wealth and influence, the churches of the Mediterranean world had to respond. This challenge became a huge motivation for the churches to declare formally and publicly what books they had already been using as Scripture. The Early Church’s Recognition of God’s Word So, as early as the second century AD, the church began developing the concept of the cano