Answer: “There is no word of God outside of the Bible, anything that goes beyond the Bible is heresy,” people who understand the Bible all know the process through which the Bible was formed. Because of the disputes and omissions of the editors at the time, a part of God’s word conveyed by prophets was not recorded in the Old Testament. This is an openly accepted fact. So how can you say that God's work and word don’t exist outside of the Bible? Are the omitted prophecies of the prophets not the word of God?
Answer: Brothers and sisters, the Bible says, “Jesus Christ the same yesterday, and to day, and for ever” (Heb 13:8). This refers to the fact that God’s disposition and His essence are eternal and unchanging. It does not mean that His name will not change. Let’s take a look at the words of Almighty God.