Presbyterians, along with most all other Christians, affirm that both the Hebrew Scriptures (Old Testament) and the New Testament are the Word of God and are essential for the church’s life and belief. By 150 AD, the church had rejected the views of Marcion, who argued that the Old Testament was not necessary for Christian understanding. You see, both testaments are vital to understanding who God is and what God has done. The O.T. is the witness to Israel’s faith in God who l