What is the significance of the phrase 'most surely believed'?

The phrase 'most surely believed' reflects the deep conviction and confidence that believers have regarding the teachings of Scripture. Luke uses this phrase to emphasize that the truths he is declaring are not just opinions but are firmly established beliefs among the faithful. This expression denotes a collective assurance that God's promises and revelations have been understood and accepted by His people. Such certainty is crucial for the Christian faith, as it provides a solid foundation for salvation and encourages believers to trust in God's faithfulness across generations.