What did the First Christians believe about the Old Testament? I might as well have asked what they believed about the Bible because, as the faith developed, the Old Testament was all the written word they had. Jesus himself laid the groundwork for a uniquely Christian understanding of the Scriptures.Consider, for example, one fundamental difference between Pharisees and Sadducees. The Pharisees believed that God gave the law to Moses in two forms: oral and written. That is, that Moses got the written law (including the Ten Commandments) and then he got the Oral Law to go with it. This
