Scripture is sufficient because it is God’s complete revelation to man, containing everything necessary for life and godliness.
The sufficiency of Scripture is a core tenet of historic Reformed theology, asserting that the Bible is inspired, authoritative, inerrant, and complete. Hebrews 1:1-2 states that, in these last days, God has spoken through His Son, reaffirming that believers have all necessary information for faith and practice within the Scriptures. Charismatics' claims of additional revelations or prophetic words challenge this view and thus detract from the completeness of God’s Word. The canon of Scripture is protected by divine sanction, indicating that nothing should be added or subtracted from its content (Revelation 22:18-19).
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