<p>7:24 <i>But he, because he abides for ever, has his priesthood unchangeable</i>- The eternal priesthood of the Melchizedek priest meant that His priesthood can never be changed. He has obtained eternal redemption for us, and that can never be liable to any renegotiation. Our hope for eternity is therefore sure (:19) because the One who obtained it is immortal, and His work for us is in this sense eternal.</p>