What is the significance of the phrase 'more sure word of prophecy'?

The phrase 'more sure word of prophecy' in 2 Peter 1:19 highlights the supremacy of scripture as the final authority for believers. While personal experiences can be subjective and open to misinterpretation, scripture is firmly grounded, providing a trustworthy foundation for faith. The context suggests that God's Word reveals truth to us through the work of the Holy Spirit, enabling us to understand God’s promises and the fulfillment of His will in history, ultimately pointing us to Christ.