Hebrews 7:21; Hebrews 7:24-25; Hebrews 7:27
but he became a priest with an oath when God said to him: "The Lord has sworn and will not change his mind: 'You are a priest forever.' "
but because Jesus lives forever, he has a permanent priesthood.
Therefore he is able to save completely those who come to God through him, because he always lives to intercede for them.
Unlike the other high priests, he does not need to offer sacrifices day after day, first for his own sins, and then for the sins of the people. He sacrificed for their sins once for all when he offered himself.