Why is the term 'verily, verily' significant in the teachings of Jesus?

The phrase 'verily, verily' (or 'truly, truly') is used by Jesus to express utmost confidence in what He is about to say. In each instance, it serves to underscore the importance of His words and the divine authority behind them. Jesus’ use of this expression is unique; while others in Scripture conclude statements with 'Amen,' He begins with it. This signifies that what follows is not merely an opinion but an absolute truth. It reflects His divine nature and authority to teach, command, and promise, lending weight to the doctrines He conveys, such as in John 5:24, where He assures believers of everlasting life.