What does the Bible say about the written word of God?

The Bible affirms that the written word of God is a crucial gift to believers, serving as the sole authority for truth and practice in the church. In John 20:30-31, it states that the scriptures were written to lead us to believe that Jesus is the Christ, the Son of God, and that through believing, we may have life in His name. This written word, encompassing both the Old and New Testaments, is essential for theology and daily living. Peter also specifies that Paul's letters are considered scripture, highlighting the unity of God's message throughout the entire Bible, which consistently points to Christ as the focal point of salvation.