What is the context?
God’s oath confirms Christ’s priesthood, so Jesus is the guarantee of a better covenant. The promise rests on the God who will not change His mind.
The earlier priests served in succession because death ended their service. Jesus continues forever. The word translated permanent describes a priesthood that does not pass to a successor.
The result concerns the people who approach God through Him: He can save completely because He always lives to intercede. His continuing life is not a distant fact about heaven; it is the ground of His continuing care for them.
How is this passage commonly understood?
Calvin and Wesley both understand Christ’s enduring life as the ground of His continuing priesthood and intercession. The Catholic Catechism, paragraph 662, likewise teaches that He permanently exercises His priesthood in God’s presence on behalf of those approaching through Him.
Calvin emphasizes the lasting security of His saving work; Wesley describes salvation reaching the guilt, power and consequences of sin. Their shared point is the sufficiency of the living Christ for those who come to God through Him.
Where does this fit in God's plan?
Romans 8:31–39 also joins Christ’s death, resurrection and intercession with assurance for His people. Their hope rests in the living Savior and God’s love, rather than a priest whose service will eventually end in death.
Hebrews 10:19–22 develops the result: His people can draw near to God through the way Jesus has opened. The enduring priesthood serves God’s purpose of bringing people into His presence.
What is our position?
Our study Who Shepherds the Church? understands Christ’s priesthood as permanent, with no successor needed because He lives forever. Believers approach God through Him. The study therefore rejects a clergy class acting as a necessary spiritual mediator between believers and God, while retaining elders who teach, correct and care for the church.