The verse speaks to the distinctive and superior nature of Jesus' priesthood compared to the traditional Levitical priesthood. In the Jewish tradition, priests were appointed based on their ancestry, specifically from the tribe of Levi. However, Jesus' priesthood is not based on lineage but on His eternal and divine nature. This is described as being "on the basis of the power of an indestructible life," highlighting His resurrection and eternal existence.
Jesus' priesthood is characterized by its permanence and divine authority, unlike the temporary and humanly limited Levitical priesthood. This establishes Him as a priest forever, in the order of Melchizedek, who was also not bound by ancestral lineage. For believers, this means that Jesus is a constant and eternal mediator, whose priesthood is not subject to change or decay. It provides assurance of His ongoing intercession and the eternal nature of His salvation, offering a profound source of hope and spiritual security.